# Chapter 8: Right Triangle Trigonometry

Difficulty Level:

**Basic**Created by: CK-12

Chapter 8 takes a look at right triangles. A right triangle is a triangle with exactly one right angle. In this chapter, we will prove the Pythagorean Theorem and its converse. Then, we will discuss trigonometry ratios and inverse ratios.

Chapter Outline

- 8.1.
## The Pythagorean Theorem

- 8.2.
## Converse of the Pythagorean Theorem

- 8.3.
## Using Similar Right Triangles

- 8.4.
## Special Right Triangles

- 8.5.
## Tangent, Sine and Cosine

- 8.6.
## Inverse Trigonometric Ratios

- 8.7.
## Chapter 8 Review

- 8.8.
## Study Guide

### Chapter Summary

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Description

This chapter proves the Pythagorean Theorem and its converse. It also introduces trigonometry ratios and covers an extension about the Law of Sines and the Law of Cosines.

Difficulty Level:

Basic
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Date Created:

Aug 07, 2013
Last Modified:

Jan 14, 2016
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