Algebra and Trigonometry, 5th Edition

Chapter 7 Trigonometric Identities, Inverse Functions, and Equations

1. 7.1 Identities: Pythagorean and Sum and Difference

2. 7.2 Identities: Cofunction, Double-Angle, and Half-Angle

3. 7.3 Proving Trigonometric Identities

4. Mid-Chapter Mixed Review

5. 7.4 Inverses of the Trigonometric Functions

6. 7.5 Solving Trigonometric Equations

7. Visualizing the Graph

1. Study Guide

2. Review Exercises

3. Chapter Test

Application

The average high temperature per month in Chicago, Illinois, varies from about $32°$ in January to $84°$ in July (Source: www.weather.com). The following sine function can be used to approximate the average high temperature, y, in Chicago for month ...