Divide And Conquer Math
For teachers Save your spot / Sign in
Divide And Conquer Math
Home  /  Precalculus (7e)  /  Chapter 5 · Analytic Trigonometry
Section 5.3a

Double-Angle Formulas

Double-angle identities for sine, cosine, and tangent; using identities for verification and equation-solving.

2 lessons. Pick what you need.

Navigate the Course:
Chapter 5 · Analytic Trigonometry
5.1 5.2 5.3a 5.3b 5.4 5.5
Lesson

Lesson on Double-Angle Identities

Guided Notes Guided Notes (Word Version)
Lesson

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

Guided Notes Guided Notes (Word Version)