### Home > PC3 > Chapter 8 > Lesson 8.3.5 > Problem 8-150

8-150.

Solve each of the following equations for 0 ≤

*θ*< 2*π*. Homework Help ✎sin(2

*θ*) = 0sin

^{2}(*θ*) = cos^{2}(*θ*)

1. Substitute using the Double-Angle Formula.

2. Set each factor equal to 0 and solve.

1. Set the equation equal to 0.

2. Factor.

3. Set the factors equal to 0 and solve.

4. Note the domain.