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Trigonometry

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Table of contents

Topics

Trigonometry with right triangles

Trigonometry with general triangles

The unit circle definition of sine, cosine, and tangent

Graphs of trigonometric functions

Trigonometric equations and identities

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Sides of right triangles

Introduction to the trigonometric ratios

Proof of the law of sines

The law of sines

Unit circle definition of trig functions

The unit circle definition of sine, cosine, and tangent

Solve for a side in right triangles

Solving for a side in a right triangle using the trigonometric ratios

Graph of y=sin(x)

The graphs of sine, cosine, and tangent

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Introduction to the trigonometric ratios

Meet your new best friends: sine, cosine, and tangent.

Table of contents