Sine, Cosine and Tangent - learn with Serlo!

The sine, cosine and tangent functions are the most important trigonometric functions. Sine, cosine and tangent describe the ratio of side lengths in a right triangle depending on one of the acute angles. They are defined as follows.

Sin Cos Tan - Values, Formulas, Table, Examples

Trigonometry

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Sine Cosine Tangent

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Sine Cosine and Tangent explained with the help of examples

Exercises: Sine, Cosine and Tangent on a right triangle - learn with Serlo!