solve for the values of theta from 0-360 degrees for 2 sin theta (5 cos2theta+1)= 3sin 2theta
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Answer:
cos2thetha+sin2thetha=cos2thetha
on putting this value in another equation we get
cos2thetha \: + {sin}^{2} thetha \: + {sin}^{2} thetha = 1cos2thetha+sin2thetha+sin2thetha=1
cos2thetha +2sin^2 theta =1
sin thetha =
\sqrt{ \frac{1 - cos2thetha}{2} }21−cos2thetha
similarly it is of cos theth
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