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Home  /  Stewart/Redlin/Watson Trigonometry (2e)  /  Chapter 5 · Trigonometric Identities
Section 5.5

Double-Angle Identities

Double-angle identities for sine, cosine, and tangent; product-to-sum and sum-to-product identities.

2 lessons. Pick what you need.

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Chapter 5 · Trigonometric Identities
5.1 5.2 5.3 5.4 5.5 5.6
Lesson

Lesson on Double-Angle Identities

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Lesson

Lesson on Sum to Product (and Product to Sum) Identities

Guided Notes Guided Notes (Word Version)