# CK-12 Trigonometry - Second Edition

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

Teachers and parents can access additional teaching materials from the Resources Tab above.

- 1.
## Right Triangles and an Introduction to Trigonometry

This chapter introduces students to basic trigonometric functions as well as some important triangle properties.

- 2.
## Graphing Trigonometric Functions

This chapter introduces the student to the radian and its applications in addition to exploring the nature of trigonometric functions on graphs.

- 3.
## Trigonometric Identities and Equations

This chapter covers the use of trigonometric identities and formulas in solving complex equations.

- 4.
## Inverse Trigonometric Functions

This chapter introduces inverse trigonometric functions, including graphing and deriving them as well as their properties in equations.

- 5.
## Triangles and Vectors

This chapter covers the Law of Sines and Cosines as well as their possible applications. Additionally, students are introduced to vectors.

- 6.
## The Polar System

This chapter introduces students to the polar coordinate system, covering conversions, graphing, and theorems that are derived through its use.

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