
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 …
Sine and cosine - Wikipedia
In mathematics, sine and cosine are trigonometric functions of an angle.
Sine Function in Math – Definition, Formula, Examples
Feb 18, 2025 · 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 …
Sine, Cosine, Tangent, explained and with Examples and practice ...
This page explains the sine, cosine, tangent ratio, gives on an overview of their range of values and provides many practice problems on identifying the sides that are opposite and adjacent …
Intro to the trigonometric ratios (video) | Khan Academy
Sin is the ratio of the opposite side to the hypotenuse, cos is the ratio of the adjacent side to the hypotenuse, and tan is the ratio of the opposite side to the adjacent side. They are often …
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 …
Sine - Math.net
Sine, written as sin (θ), is one of the six fundamental trigonometric functions. There are two main ways in which trigonometric functions are typically discussed: in terms of right triangles …
Sine Functions: Angles, Graphs, and Trig Identities (Video)
Dec 9, 2025 · Sine, which is commonly abbreviated to S-I-N, is the ratio of the side opposite the angle we want to know over the hypotenuse of the right triangle. Remember that the …
sin (x) | sine function - RapidTables.com
In a right triangle ABC the sine of α, sin (α) is defined as the ratio betwween the side opposite to angle α and the side opposite to the right angle (hypotenuse):
Sine Function - GeeksforGeeks
Jul 23, 2025 · 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 …