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.

Trigonometry: sine, cosine and tangent

Trigonometry Basics (Sin, Cos, Tan)

Exercises: sin, cos and tan in 3D - learn with Serlo!

Evaluate sine, cosine and tangent ratios, Grade 10 Math, Ontario 10 Academic (MPM2D)

Sin, Cos, Tan Explained (Sine, Cosine, and Tangent)

Sine Cosine Tangent: Lesson (Geometry Concepts)

Unit Circle Trigonometry - Sin Cos Tan - Radians & Degrees

Learn Sin, Cos, and Tan in 5 minutes

What is the difference between Sin, Cosine, and Tangent? - Quora

Unit Circle Trigonometry - Sin Cos Tan - Radians & Degrees

Sine Cosine Tangent

Your first 3 trigonometric ratios (sine, cosine and tangent of an angle)