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Home  /  Glencoe Precalculus (2018 edition)  /  Chapter 5 · Trigonometric Identities and Equations
Section 5.5a

Multiple-Angle Identities

Double-angle formulas for sine, cosine, and tangent; power-reducing formulas; half-angle formulas.

4 lessons. Pick what you need.

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Chapter 5 · Trigonometric Identities and Equations
5.1 5.2 5.3 5.4 5.5a 5.5b
Lesson

Lesson on Double-Angle Identities

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Lesson

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

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Lesson

Lesson on Half-Angle Identities

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Lesson

Lesson Summarizing All the Trig Identities

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