SOLUTION: Solve on indicated interval: 0°&#8804;&#920;<2&#960; Find EXACT answers. Sin(2&#920;)Sin(&#920;)=cos(&#920;)

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Question 421985: Solve on indicated interval: 0°≤Θ<2π Find EXACT answers.
Sin(2Θ)Sin(Θ)=cos(Θ)

Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Rewrite as . The equation becomes





. Either or --> , or .

We evaluate the arcsine or arc-cosine of each to produce all possible values of , which are , , as well as , , , .

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