# Chapter 14: Trigonometric Functions and Identities

Difficulty Level:

**At Grade**Created by: CK-12

In this chapter, we will extend our knowledge of trigonometry to graphing sine, cosine, and tangent functions and using trigonometric identities and formulas to simplify expressions, prove trigonometric statements, and solve equations.

Chapter Outline

- 14.1.
## Graphing Trigonometric Functions

- 14.2.
## Using Trigonometric Identities

- 14.3.
## Solving Trigonometric Equations

- 14.4.
## Sum and Difference Formulas

- 14.5.
## Double and Half Angle Formulas

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Description

This chapter covers graphing the trig functions and using trig identities to simplify expressions, prove trigonometric statements, and solve equations.

Difficulty Level:

At Grade
Subjects:

Date Created:

Dec 16, 2014
Last Modified:

Oct 19, 2015
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