CPM Homework Help : PC3 Problem 8-150

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

8-150.

Solve each of the following equations for $0\leθ<2\pi$ .

$\sin(2θ)=0$
Hint (a):
1. Substitute using the Double-Angle Formula.
2. Set each factor equal to $0$ and solve.

$\sin^2(θ)=\cos^2(θ)$
Hint (b):
1. Set the equation equal to $0$ .
2. Factor.
3. Set the factors equal to $0$ and solve.
4. Note the domain.

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