Lesson 3

1. Lesson 3

1.1. Launch

Mathematics 20-3 Module 4

Module 4: The Right Kind Of Triangles

Launch

This section checks to see if you have the necessary background knowledge and skills required to successfully complete Lesson 3.

Launch will review the following topics:

basic trigonometry terminology
using a calculator with the trigonometric functions
angles of elevation and depression

Complete the following Are You Ready? questions. If you have difficulty or any questions, visit Refresher for a review or contact your teacher.