- 7.1: Trigonometric Identities and Equations
- 7.2: Sum and Difference Identities
- 7.3: Double-Angle, Half-Angle adn Reduction Formulas
- 7.4: Sum-to-Product and Product-to-Sum Formulas
- 7.5: Solving Trigonometric Equations
- 7.6: Modeling with Trigonometric Functions