### Home > PC3 > Chapter 9 > Lesson 9.1.2 > Problem 9-32

9-32.

Solve for all possible values of :

1. Use the double-angle formula for sine on the left.

2. Use the angle difference formula for cosine on the right.

9-32.

Solve for all possible values of :

1. Use the double-angle formula for sine on the left.

2. Use the angle difference formula for cosine on the right.