Question

heya,,
please please do it friends..


express sin2 theta in terms of cos2theta..

Answer 1

Hi friend here is your solution

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As we know

Sin²(2thita)+Cos²(2thita)=1

or Sin²(2thita)=1-Cos²(2thita)

or , Sin(2thita)= √ [1-Cos²(2thita)]

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Hope this will help you...