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