Divide And Conquer Math
For teachers Save your spot / Sign in
Divide And Conquer Math
Home  /  Algebra and Trigonometry (7e)  /  Chapter 6 · Analytic Trigonometry
Section 6.2

Sum and Difference Formulas

Sum and difference formulas for cosine, sine, and tangent; using the formulas to find exact values and verify identities.

4 lessons. Pick what you need.

Navigate the Course:
Chapter 6 · Analytic Trigonometry
6.1 6.2 6.3a 6.3b 6.4 6.5
Lesson

Lesson on Proofs of Cos(A-B) and Cos(A+B)

Guided Notes Guided Notes (Word Version)
Lesson

Lesson of Exercises Using the Sum and Difference of Cosine Identities

Guided Notes Guided Notes (Word Version)
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)