Unit 2

Trigonometry

Introduction

Lesson 2.2: Ratios and Equations

In Lesson 2.2, you will

• learn how to find the trigonometric ratios of any angle,
• use reciprocal trigonometric ratios,
• solve trigonometric equations in degrees and radians, and
• determine the general solution to a trigonometric equation.
  

Coming into this Lesson, you should have

• an understanding of the primary trigonometric ratios,
• terminology associated with equations (first degree, second degree),
• the ability to solve equations, and
• an understanding of domain and range.