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Sine and cosine - Wikipedia
In mathematics, sine and cosine are trigonometric functions of an angle.
Sine, Cosine and Tangent - Math is Fun
Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of a right triangle: Opposite is always opposite the angle. And Adjacent is always next to the angle.
Sine | Definition, Formulas, & Facts | Britannica
sine, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is sin A = length of side opposite angle A/ length of hypotenuse. (The other five trigonometric functions are cosine [cos], tangent [tan], secant [sec], cosecant [csc], and cotangent [cot].)
Sine Function in Math - Definition, Formula, Examples
The sine function, commonly written as sin (θ), is the ratio of the opposite side to the hypotenuse of a right triangle. It is one of the primary trigonometric functions used in mathematics.
Sine -- from Wolfram MathWorld
The sine function sinx is one of the basic functions encountered in trigonometry (the others being the cosecant, cosine, cotangent, secant, and tangent). Let theta be an angle measured counterclockwise from the x-axis along an arc of the unit circle.
Sines - Clark University
Therefore, as stated before, the sine of an angle is half the chord of twice the angle. The point of this is just to show that sines are all that difficult to understand.
Sine — Definition, Formula & Examples - Mathwords
Sine appears throughout high school math and science — from solving right triangles in geometry to modeling oscillations in physics (sound waves, pendulums, alternating current).
Sine and Cosine - Algebrica
Sine and cosine are the two primary trigonometric functions. Given an oriented angle θ, represented on the unit circle by a point P, the sine and cosine of θ are defined respectively as the y -coordinate and the x -coordinate of P.
The sine function - math word definition - Math Open Reference
The sine function, along with cosine and tangent, is one of the three most common trigonometric functions. In any right triangle, the sine of an angle x is the length of the opposite side (O) divided by the length of the hypotenuse (H).
Sine - Graph, Table, Properties, Examples | Sine Function
The sine of an angle is a trigonometric function that is denoted by sin x, where x is the angle in consideration. In a right-angled triangle, the ratio of the perpendicular and the hypotenuse is called the sine function.
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