## sine, cosine, tangent calculator

January 11, 2021

They are often shortened to sin, cos and tan..     sin(A)÷a = Sin(B)÷b = Sin(C)÷c, The law of cosines: mathhelp@mathportal.org. The sine, cosine and tangent are functions we use in math to calculate angles and sides of triangles. Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Tutorial on how to write a python program to calculate sine, cosine, and tangent. 1970 ? This website uses cookies to improve your experience, analyze traffic and display ads. inverse sine cosine tangent calculator: how to do inverse sine on a calculator: how to enter arctan into calculator: how to find sine inverse using log table: sin cos tan inverse formula: inverse sohcahtoa calculator: how to calculate tan inverse using log table:     c² = a² + b² - 2.a.b.cos(C), The law of tangents: There are a lot of little pieces to keep in mind. Free tangent line calculator - find the equation of the tangent line given a point or the intercept step-by-step This website uses cookies to ensure you get the best experience.     Secant of an angle: sec = 1/cos ... Cosine = Tangent = Advertisement. + A⁸÷8! Trig calculator finding sin, cos, tan, cot, sec, csc To find the trigonometric functions of an angle, enter the chosen angle in degrees or radians. This calculator uses the Law of Sines: $~~ \frac{\sin\alpha}{a} = \frac{\cos\beta}{b} = \frac{cos\gamma}{c}~~$ and the Law of Cosines: $~~ c^2 = a^2 + b^2 - 2ab \cos\gamma ~~$ to solve oblique triangle i.e. cos A = adjacent / hypotenuse = b / c. tan A = opposite / adjacent = a / b. csc A = hypotenuse / opposite = c / a. sec A = hypotenuse / adjacent = c / b. cot A = adjacent / opposite = b / a. Input value you know and select what to compute. How does a calculator calculate the sine, cosine, tangent of a number (that is actually an angle ?) Example: Calculate the value of tan θ in the following triangle.. Or you could ask, what did people do before the calculator was invented, i.e. tangent of alpha = opposite leg / adjacent leg. calculator for radians, sine, cosine & tan for any angle by Russell Kightley Media. i.e. The other two values will be filled in. 10 years ago. Graphs for inverse trigonometric functions. Perpendicular, Bisectors, Centre of Gravity, Equilateral, Isosceles, Obtuse, Acute, Right-Angle, etc.) Free Online Sine Calculator --finds the sine and outputs answer in both radians and degreees. + … etc. - A¹¹÷11! The smallest angle in any triangle is always opposite its shortest side. As a point of interest, did you know that Pythagoras' theorem also works in 3-D? Very interesting question! Free online tangent calculator. Free Online Sine Calculator --finds the sine and outputs answer in both radians and degreees. In addition, explore hundreds of other free calculators covering topics such as finance, math, fitness, and health. You will learn what is the law of cosines (also known as the cosine rule), the law of cosines formula, and its applications.Scroll down to find out when and how to use the law … If you add variables to record the last x-y position of the mouse you can check against the current mouse position and only redraw if the mouse has moved. Here's the key idea: The ratios of the sides of a right … Online graphing calculator that allows you to graph curves of trigonometric functions such as sine, cosine, tangent, sec, cosec, and cot. This calculator uses the Law of Sines : $~~ \frac{\sin\alpha}{a} = \frac{\cos\beta}{b} = \frac{cos\gamma}{c}~~$ and the Law of Cosines : $~~ c^2 = a^2 + b^2 - 2ab \cos\gamma ~~$ to Use and keys on keyboard to move between field in calculator. The inverse cosine y=cos^(-1)(x) or y=acos(x) or y=arccos(x) is such a function that cos(y)=x.     The cosine of an angle: cos(A) = adjacent ÷ hypotenuse {the inverse is its 'arc' value; acos(A)} cosine of alpha = adjacent leg / hypotenuse. As functions of a complex variable, inverse hyperbolic functions are multivalued functions that are analytic, except at a finite number of points. Cos calculator with degrees and radians to express the angle. Input. Cosine $\theta$ = adjacent/hypotenuse; Tangent $\theta$ = opposite/adjacent; In order to calculate the sine or the cosine or the tangent I need to know $3$ sides of a right triangle. The problem with such practices is that it can make orientation of the resultant triangle a little difficult. The tangent of an angle is the ratio of the opposite side and adjacent side.. Tangent is usually abbreviated as tan. Ultimate Math Solver (Free) solve oblique triangle i.e. It is an even function. before ca. The dedicated terms (or acronyms) used here for specialised triangles and angles and their component parts (e.g. + … etc. Online graphing calculator that allows you to graph curves of trigonometric functions such as sine, cosine, tangent, sec, cosec, and cot. Oblique Triangles. Example: Calculate the value of sin θ in the following triangle. In this section we will discuss how to graph sine, cosine and tangent, and learn the basic features of those graphs. LO: I can solve for unknown values by using sine, cosine, and tangent ratios. You can express sine, cosine, and tangent as polynomials.     Cotangent of an angle: cot = 1/tan. Sine Cosine Tangent Calculator is a free online tool that displays the solution of the trigonometric functions such as sine, cosine and tangent functions. These can be calculated using the relationships shown below: The law of sines: This trigonometry calculator finds the radiant and degrees of Sine (Sin) Cosine (Cos) Tangent (Tan) Cotangent (Cot) Secant (Sec) Cosecant (Cosec) Arc Sine (ASin) Arc Cosine (ACos) Arc Tangent (ATan) Arc Cotangent (ACot) Arc Secant (ASec) or Arc Cosecant. Inverse Sine, Cosine, Tangent. Underneath the calculator, six most popular trig functions will appear - three basic ones: sine, cosine and tangent, and their reciprocals: cosecant, secant and cotangent. Sine Cosine Tangent Calculator is a free online tool that displays the solution of the trigonometric functions such as sine, cosine and tangent functions. The length of the longest side of any triangle is always shorter than the sum of the two other sides but greater than their difference. Sine Cosine Tangent Chart Download this chart that shows the values of sine, cosine and tangent for integer angles between 0 -90 = the tangent ratio. + A⁹÷9! A 'Subtended Angle' (Fig 9; 'A') is the angle opposite the Chord of a Sector. There are several such algorithms that only use the four basic operations (+, −, ×, /) to find the sine, cosine, or tangent of a given angle. The calculator will find the inverse cosine of the given value in radians and degrees. Lv 7. With all of these preliminaries now happily splashing around inside our growing pool of mathematical knowledge, we're finally ready to tackle the meaning of sine, cosine, and tangent. In those formulas, the opposite leg is opposite of alpha, the hypotenuse opposite of the right angle and the remaining side is the adjacent leg. Tangent is the … Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. All other functions are expressed via sine and cosine as follows: Tangent: (the ratio of the length of the opposite side to the length of the adjacent side) Find angle $\alpha$. The domain of the inverse cosine is [-1,1], the range is [0,pi]. This is a free online Inverse Sine (arcsin) calculator. Tangent θ can be written as tan θ.. Every right-angled box (Fig 8) has three 'Face' hypotenuses each with two equal right-angle triangles and a single compound (internal) hypotenuse ('e') with two equal compound right-angle triangles. Trigonometric Functions Graphing Calculator. A circle that fits exactly inside any triangle and whose circumference touches all three sides (at a tangent) is called its 'inscribed' circle (Fig 3). Use this online trigonometric identities addition calculator to find the sum of cosine angles. - A⁶÷6!     (a+b)÷(a-b) = tan(½[A+B])÷tan(½[A-B]) There are several such algorithms that only use the four basic operations (+, −, ×, /) to find the sine, cosine, or tangent of a given angle. A free graphing calculator - graph function, examine intersection points, find maximum and minimum and much more This website uses cookies to ensure you get the best experience. However, if you enter a Subtended Angle greater than 90°, length 'b' and opposite angle 'B' (Fig 9) will become negative and the shape of the Sector/Segment will be defined by length 'c' and opposite angle 'C' (Fig 9). You may adjust the accuracy of your results. How do you evaluate sine, cosine, tangent of #750^circ# without using a calculator? On your calculator these functions are written in short as “sin”, “cos” and “tan”. Welcome to MathPortal. I designed this web site and wrote all the lessons, formulas and calculators . The sides and/or angles of any right-angle triangle (where one of its angles is exactly 90°, Fig 5) can be calculated by using the following trigonometrical terms and their reciprocals: Tangent Function . To compute these functions, enter …     (a+c)÷(a-c) = tan(½[A+C])÷tan(½[A-C]) - A⁷÷7! are all described in the Definitions page of this web site. Arccosine(x) = C. Cosine C = x. For a complete and detailed explanation of the properties of 'Sine', 'Cosine' and 'Tangent' of an angle and how they are derived, see Trig Functions. For graph, see graphing calculator. Graphing sine, cosine and tangent is nuanced. No angle in the triangle is 90° (Fig 6). That is why we call the ratio of the adjacent and the hypotenuse the "co-sine" of the angle. Set up the following equation using the Pythagorean theorem: x 2 = 48 2 + 14 2. Cosine of an angle (cos) is the ratio of the adjacent side's length to the hypotenuse's length. Polyhymnio. Sine, Cosine, and Tangent Table: 0 to 360 degrees Degrees Sine Cosine Tangent Degrees Sine Cosine Tangent Degrees Sine Cosine Tangent 0 0.0000 1.0000 0.0000 60 0.8660 0.5000 1.7321 120 0.8660 ‐0.5000 ‐1.7321 1 0.0175 0.9998 0.0175 61 0.8746 0.4848 1.8040 121 0.8572 ‐0.5150 ‐1.6643 Sine is usually abbreviated as sin. (From here solve for X). And Sine, Cosine and Tangent are the three main functions in trigonometry.. For a complete and detailed explanation of the properties of 'Sine', 'Cosine' and 'Tangent' of an angle and how they are derived, see Trig Functions. The sum of all three angles in any triangle is always exactly 180°. SIN (sine) COS (cosine) TAN (tangent) CSC (cosecant) SEC (secant) COT (contangent) This app ... 11 SiConstruct Construction Calculator , Paint Calculator , Tile Calculator , Concrete Calculator , Brick Calculator , with in app email     a² = b² + c² - 2.b.c.cos(A) The hyperbolic sine and the hyperbolic cosine are entire functions. All Calculators RAD, SIN, COS, & TAN (also try inverse functions calculator). In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. This trigonometry calculator finds the radiant and degrees of Sine (Sin) Cosine (Cos) Tangent (Tan) Cotangent (Cot) Secant (Sec) Cosecant (Cosec) Arc Sine (ASin) Arc Cosine (ACos) Arc Tangent (ATan) Arc Cotangent (ACot) Arc Secant (ASec) or Arc Cosecant. All three Perpendicular Bisectors of any triangle always meet at the same point, which is the centre of its circumscribed circle (Fig 2). + A⁵÷5! The inverse cosine y=cos^(-1)(x) or y=acos(x) or y=arccos(x) is such a function that cos(y)=x. These involve ratios of the lengths of the sides in a right triangle. This will provide us a common, basic understanding of the graphs of the three fundamental Trigonometric functions. Cosine calculator to easily calculate the cosine function of any number. In a right triangle, one angle is 90º and the side across from this angle is called the hypotenuse. Where AC is arc cosine, which is the same as saving inverse cosine They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial mechanics, geodesy, and many others. The following formula can be used to calculate an angle from any cosine value. Values for each of the above trigonometrical terms can be determined without calculators or Tables as follows (where the angle 'A' must be specified in radians): sin(A) = A - A³÷3! That gets rid of the flicker which is a bit annoying when the mouse isn't moving. It is an even function. The ratio of the different sides of the triangle gives the sine, cosine, and tangent angles. An exterior angle is always equal to the sum of the two opposite interior angles (Fig 1). 0 4. All Calculators RAD, SIN, COS, & TAN (also try inverse functions calculator). sin(c) = cos (d) Since the sine, cosine, and tangent are all functions of the angle c, we can determine (measure) the ratios once and produce tables of the values of the sine, cosine, and tangent … If you remove its Segment, the shape becomes an isosceles triangle. A tangent of an angle α is also equal to the ratio between its sine and cosine, so tanα = sinα / cosα.     The tangent of an angle: tan(A) = opposite ÷ adjacent {the inverse is its 'arc' value; atan(A)}, Their reciprocals are defined thus: The calculator will find the inverse cosine of the given value in radians and degrees. The Segment of this construction is enclosed by 'L' and 'e'. Using this calculator, you can find the logarithm of a number, raise to a power, find a root square and, moreover, a nth root. The law of cosines calculator can help you solve a vast number of triangular problems.     The sine of an angle: sin(A) = opposite ÷ hypotenuse {the inverse is its 'arc' value; asin(A)} Use this fundamental cosine addition formula of trigonometry to solve various problems by re-writing expressions in another equivalent form. Method 2. Just select the function and enter the limits; the calculator will draw the graph for you. A calculator or computer program is not reading off of a list, but is using an algorithm that gives an approximate value for the sine of a given angle. In order to use inverse trigonometric functions, we need to understand that an inverse trigonometric function “undoes” what the original trigonometric function “does,” as is the case with any other function and its inverse. The Sector of this construction is enclosed by 'L' and the two radii 'r' and 'b+c'. Also, the calculator will show you a step by step explanation. Sine of an angle ( sin ) is the ratio of the opposite side's length to the hypotenuse's length. A triangle has sides equal to $3 m$, $5 m$ and $6 m$. Understanding and Using the Inverse Sine, Cosine, and Tangent Functions. A similar question is, how does the calculator figure out the value of sin, cos, etc.? User our TD Points calculator to compare the best TD Points credit cards in Canada. hyperbolic tangent "tanh" (/ ... the hyperbolic functions arise as the imaginary parts of sine and cosine. The one for the sine is here: ... it says "sine" "cosine" "tan" on a graphing calculator, and you just click it, and then put paranthesis then the degree number, then unparantehsis. The two sides which form the 90º angle are called the legs of the right triangle. its angle and its sides) in order to establish everything else about it with one exception; see rule 6 below, 6) You cannot define a triangle by knowing only its three angles, 7) Pythagoras' theorem only works with right-angle triangles. Sine cosine tangent formula is used to calculate the different angles of a right triangle. BYJU’S online sine cosine tangent calculator tool performs the calculation faster and it displays the value of the sine, cosine and tangent function in a fraction of seconds. The calculation is simply one side of a right angled triangle divided by another side... we just have to know which sides, and that is where "sohcahtoa" helps. - A¹⁰÷10! to find missing angles and sides if you know any 3 of the sides or angles. Calculate cos(x) with our trigonometric calculator. Calculator for trigonometric functions sine, cosine and tangent and inverse functions. If one of the angles is exactly 90°, the side opposite to this angle is always equal to, and lies upon, the diameter of the circumscribed circle (Fig 7). Introduction: In this lesson, three trigonometric ratios (sine, cosine, and tangent) will be defined and applied. (1) calculator Using sine, cosine and tangent with a calculator to solve problems Jordan is trying to find the values of a and b. Yanaraitza tells him there are 4 different equations he can write, 2 using sine and 2 using cosine. A calculator or computer program is not reading off of a list, but is using an algorithm that gives an approximate value for the sine of a given angle. cos(A) = 1 - A²÷2! e² = a² + b² + c². Here, the hypotenuse is the longest side, the side opposite to the hypotenuse is the opposite side and … For a triangle with an angle θ, the functions are calculated this way: For graph, see graphing calculator. Before getting stuck into the functions, it helps to give a nameto each side of a right triangle: Note: In accordance with CalQlata's GiGo principle (refer to 'Entering Data' in the 'General Help' page on this web site), you may of course enter any value you like in Trigonometry and any viable result (even a negative one) will be correct. Sine, cosine, and tangent. All three vertices of a triangle always lie on the circumference of a single, common circle, called the 'circumscribed' circle (Fig 2). If you add variables to record the last x-y position of the mouse you can check against the current mouse position and only redraw if the mouse has moved. Help with a Sine, Cosine, and Tangent calculator. Quick Answer: For a right-angled triangle: The sine function sin takes angle θ and gives the ratio opposite hypotenuse . The domain of the inverse cosine is [-1,1], the range is [0,pi]. Just select the function and enter the limits; the calculator will draw the graph for you. Learn the formula to calculate sine angle, cos angle and tan angle easily using solved example question. Method 1. sin — sine cos — cosine tg — tangent ctg — cotangent sec — secant cosec — cosecant versin — versine (versed sine) vercos — vercosine (versed cosine) haversin — haversed sine exsec — exsecant excsc — excosecant. tan(x) calculator. + A¹³÷13! + A⁴÷4! If you want to contact me, probably have some question write me using the contact form or email me on BYJU’S online sine cosine tangent calculator tool performs the calculation faster and it displays the value of the sine, cosine and tangent function in a fraction of seconds. This web site owner is mathematician Miloš Petrović.     b² = a² + c² - 2.a.c.cos(B) - A¹⁴÷14! Solution: A review of the sine, cosine and tangent functions to find missing angles and sides if you know any 3 of the sides or angles. (If an answer is undefined, enter UNDEFINED.) This is an online scientific calculator with double digit precision that support both button click and keyboard type. Trig (Trigonometry) will accommodate any Subtended Angle ('A') between 0° and 180°. To calculate the angle of a right triangle, sine cosine tangent formula is used. (From here solve for X).By the way, you could also use cosine.     Cosecant of an angle: csc = 1/sin Calculate Arcsine, Arccosine, Arctangent, Arccotangent, Arcsecant and Arccosecant for values of x and get answers in degrees, ratians and pi. The Sine of angle θis: 1. the length of the side Opposite angle θ 2. divided by the length of the Hypotenuse Or more simply: sin(θ) = Opposite / Hypotenuse The Sine Function can help us solve things like this: - A¹⁵÷15! Use SOHCAHTOA and set up a ratio such as sin(16) = 14/x. Help with a Sine, Cosine, and Tangent calculator. tangent of alpha = opposite leg / adjacent leg In those formulas, the opposite leg is opposite of alpha, the hypotenuse opposite of the right angle and the remaining side is the adjacent leg. Please tell me how can I make this better. Following from the definition, the function results in an undefined value at … All three 'Angular' Bisectors (a line that divides an angle in two) of any triangle always meet at the same point, which is the centre of its inscribed circle (Fig 3). Since the sine, cosine, and tangent are all functions of the angle "c", we can determine (measure) the ratios once and produce tables of the values of the sine, cosine, and tangent for various values of "c". In reference publications ( 3 & 12 ) did you know any 3 the... Cosine addition formula of Trigonometry to solve various problems by re-writing expressions another. Both radians and degrees the graph for you sine of an angle from any cosine value ' and ' '... Largest angle in any triangle is always opposite its longest side can express sine, cosine, and tangent will! Written in short as “ sin ”, “ cos ” and tan... Online sine calculator -- finds the sine and cosine and tangent and inverse.. Which form the 90º angle are called the hypotenuse 's length to the 's!, probably have some question write me using the contact form or sine, cosine, tangent calculator me on mathhelp @ mathportal.org addition explore... = 48 2 + 14 2 and tan short as “ sin ”, “ cos ” and “ ”. Trig calculator Fill in two values and press calculate people do before the calculator was invented,.! @ mathportal.org contact me, probably have some question write me using contact. Arcsin ) calculator: for a Right-Angled triangle a common, basic understanding of the opposite side 's length cosine. Figure out the value of tan θ in the triangle is always 180°. Calculator -- finds the sine function sin takes angle θ and gives sine. Legs of the three main functions in Trigonometry and are based on a Right-Angled triangle angles ( Fig ;! Hundreds of other free Calculators covering topics such as sine, cosine, of. At a finite number of Points angle, cos angle and tan angle easily using solved example question side the... 5 m $,$ 5 m $and$ 6 m . At … Help with a sine, cosine and tangent are the inverses of the cosine... Sine, cosine and tangent angles, Obtuse, Acute, Right-Angle, etc. provide a. Trigonometry to solve various problems by re-writing expressions in another equivalent form by... Given value in radians and degrees quick answer: for a Right-Angled.! Up a ratio such as sine, cosine, and tangent, cotangent, cosecant secant... Based on a Right-Angled triangle: the sine, cosine, and tangent calculator ' ( Fig )., cosine and tangent angles are multivalued functions that are analytic, except at a finite number of Points radians. And set up a ratio such as sin ( 16 ) = 14/x are main..., three trigonometric ratios ( sine, cosine, tangent of # 750^circ # without using a calculator ratio the... ) is the same as saving inverse cosine is  [ 0, pi ]  angles a. Of Gravity, Equilateral, Isosceles, Obtuse, Acute, Right-Angle, etc. understanding of the main. Sine calculator -- finds the sine, cosine, and tangent calculator formula. 'Subtended angle ' ( Fig 1 ) 6 m $,$ 5 m $to the hypotenuse,. ( from here solve for x ).By the way, you agree to our Cookie.. Using the contact form or email me on mathhelp @ mathportal.org of a complex variable, inverse hyperbolic functions as... This section we will discuss how to graph sine, cosine and tangent and inverse functions calculator ) are! Calculations in arbitrary triangles possible the right triangle, sine cosine tangent formula is used cards in Canada an. Values and press calculate undefined. a lot of little pieces to in. ” and “ tan ” the given value in radians and degreees x ) with our trigonometric calculator field... Or angles please tell me how can I make this better and.... ' L ' and the side across from this angle is always opposite its shortest side press calculate,! Hyperbolic functions are multivalued functions that are analytic, except at a finite number of Points of! A 'Subtended angle ' ( Fig 9 ; ' a ' ) between and.$ 6 m $,$ 5 m $,$ 5 m $,$ 5 $. Find the sum of the triangle is always equal to$ 3 m $and$ 6 m ! Example: calculate the value of tan θ in the triangle is always equal to the sum of three! A common, basic understanding of the flicker which is a free online inverse sine ( arcsin calculator. From here solve for x ).By the way, you agree to our Cookie Policy angle and tan the! Sine function sin takes angle θ and gives the sine and outputs answer in radians... Different sides of the different sides of the inverse cosine of the sides or angles the largest in... ) is the ratio of the lengths of all three angles in any triangle is always opposite its side! Chord of a right triangle, one angle is 90º and the side across this!: x 2 = 48 2 + 14 2 ( 3 & 12 ) both button click and keyboard.. 750^Circ # without using a calculator ) = C. cosine C =.! On this subject in reference publications ( 3 & 12 ) from any value! For specialised triangles and angles and sides if you know any 3 of the lengths of hypotenuses! Solved example question all described in the following triangle angle θ and gives the sine, cosine, and and... Did people do before sine, cosine, tangent calculator calculator will show you a step by step explanation angles in any is! Trigonometry to solve various problems by re-writing expressions in another equivalent form they often... Know any 3 of the different angles of a number ( that is actually an?... 12 ), inverse hyperbolic functions arise as the imaginary parts of sine and two! Just select the function and enter the limits ; the calculator will show a... ) will be defined and applied tan angle easily using solved example question they often... Know any 3 of the sides or angles compare the best TD Points calculator find! Make this better lengths of all hypotenuses and their component parts (.! From any cosine value precision that support both button click and keyboard type sine. Express sine, cosine, and tangent calculator a point of interest, did you know 3! Basic features of those graphs and set up the following triangle ( x ) with our trigonometric calculator how graph... Right-Angle, etc. 16 ) = C. cosine C = x in! Value you know the length of all three sides you can establish the lengths of all and. Graph sine, cosine and tangent, and tangent calculator side.. tangent sine, cosine, tangent calculator usually abbreviated as.. Precision that support both button click and keyboard type our trigonometric calculator consist of sine the... Hyperbolic functions arise as the imaginary parts of sine and the side across from this angle is 90º and two... The different sides of the resultant triangle a little difficult and wrote the... The limits ; the calculator figure out the value of sin θ in the following triangle and display.. In calculator rid of the opposite side and adjacent side 's length to sum! And cosine and tangent calculator finite number of Points calculator to find missing angles sides. The function results in an undefined value at … Help with a sine,,! 48 2 + 14 2 n't moving tell me how can I make this better interior angles ( 6... Tan ( sine, cosine, tangent calculator try inverse functions angle in the triangle gives the ratio of the flicker which is bit! This better express sine, cosine and tangent ) will accommodate any Subtended angle ( cos is... Free Calculators covering topics such as finance, math, fitness, tangent. Angle without using a calculator arbitrary triangles possible range is  [ -1,1 ] , the was. L ' and the hyperbolic functions are written in short as “ sin ”, cos. To contact me, probably have some question write me using the Pythagorean theorem: x 2 = 48 +... To compute = C. cosine C = x ratio of the given value in radians and degrees outputs. A number ( that is actually an angle is 90º and the side across from this is. Different angles of a right triangle, sine cosine tangent formula is used are. Which form the 90º angle are called the hypotenuse 's length what did people before... Functions, such as sine, cosine, and tangent of # 750^circ without. Always opposite its longest side adjacent side 's length ' b+c ' defined... Angle and tan angle easily using solved example question on a Right-Angled triangle by step explanation, Centre Gravity. Shortened to sin, cos, etc. length of all hypotenuses and their component parts ( e.g answer undefined! ” and “ tan ” cos calculator with degrees and radians to express the angle of a triangle. Cosine value ( cos ) is the same as saving inverse cosine of lengths... = 14/x provide us a common, basic understanding of the flicker which is a bit when! Opposite hypotenuse to find missing angles and sides if you remove its Segment, range. Segment, the function and enter the limits ; the calculator will draw the graph for you ratio hypotenuse. No angle in any triangle is 90° ( Fig 9 ; ' a ' ) the! Trigonometry and are based on a Right-Angled triangle the formula to calculate an angle is called the of. Express the angle opposite the Chord of a right triangle is an scientific. The range is  [ 0, pi ]  the shape becomes an Isosceles triangle is enclosed '...