Introduction

In this lesson, we will be using power-reducing and half-angle formulas to rewrite trigonometric functions in a more convenient form.

Lesson Objectives

Following successful completion of this lesson, students will be able to...

  • Use power-reducing formulas to find exact values of trigonometric functions
  • Use power-reducing formulas to rewrite trigonometric expressions
  • Use half-angle formulas to find exact values of trigonometric functions
  • Use half-angle formulas to rewrite trigonometric functions

The above objectives correspond with the Alabama Course of Study: Precalculus standards: 27.