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OpenStudy (anonymous):
HELP! its 11 pm and i wanna go to bed!! Use the composite argument property to show that this equation is an identity: cos2(theta)=cos5(theta)cos3(theta)+sin5(theta)sin3(theta). Use the result to solve this equation for --Theta belongs to the closed interval 0 degrees, 360 degrees.-- cos2(theta)=cos5(theta)cos3(theta)+sin5(theta)sin3(theta)=0.3
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