# Chapter 2: SE Trigonometry and Right Angles - TI

Created by: CK-12

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**The activities below are intended to supplement our Trigonometry flexbooks.**

- Trigonometry, first edition, Chapter 1: http://www.ck12.org/flexr/chapter/2344
- Trigonometry, second edition, Chapter 1: http://www.ck12.org/flexr/chapter/6897

## Chapter Outline

### Chapter Summary

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## Description

This chapter introduces students to trigonometric functions, triangle ratios, and the unit circle with some of its applications.

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## Date Created:

Feb 23, 2012## Last Modified:

Aug 19, 2014
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