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Home  /  Precalculus with Trigonometry by Topic  /  Chapter 9 · Trigonometric Identities
Section 9.4

The Sum and Difference Identities for Sine and Tangent

Proofs of the sum and difference identities for sine and tangent, and discussion of how to use these identities

2 lessons. Pick what you need.

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Chapter 9 · Trigonometric Identities
9.1 9.2 9.3 9.4 9.5 9.6
Lesson

Lesson on the Sum and Difference Identities for Sine and Tangent

Guided Notes Guided Notes (Word Version)
Examples

Examples Finding the Sine of a Sum and Tangent of a Sum

Guided Notes Guided Notes (Word Version)