The meaning of sine is the trigonometric function that for an acute angle is the ratio between the leg opposite the angle when it is considered part of a right triangle and the hypotenuse. (in a triangle that has one angle of 90°) the ratio of the length of the side opposite an angle⦠Before getting stuck into the functions, it helps to give a name to each side of a right triangle
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Opposite is always opposite the angle
And adjacent is always next to the angle.
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].) The sine function, commonly written as sin (ΞΈ), 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.
Below is a table of values illustrating some key sine values that span the entire range of values. The sine function (simply defined as the ratio of the perpendicular to the hypotenuse of a right triangle) is a fundamental element of trigonometry with applications spanning geometry, calculus, and various scientific fields. (in a right triangle) the ratio of the side opposite a given acute angle to the hypotenuse. See examples of sine used in a sentence.