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# Proofs of Trigonometric Identities

## Convert to sine/cosine, use basic identities, and simplify sides of the equation.

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## Verifying Trigonometric Identities - Overview

by CK-12 //basic

Overview

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## Verifying Trigonometric Identities - Example 1

by CK-12 //basic

Complete the trigonometric identity

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## Verifying Trigonometric Identities - Example 2

by CK-12 //basic

Verify a Trigonometric Identity Algebraically by Working with One Side

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## Verifying Trigonometric Identities - Example 3

by CK-12 //basic

Verify a Trigonometric Identity Using Sines and Cosines

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## Verifying Trigonometric Identities - Example 4

by CK-12 //basic

Verify a Trigonometric Identity Algebraically by Working with Both Sides

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