Math, asked by sowmyakrupakar5, 9 months ago

Express as a sum or difference 2cos7thetain5theta is
1.sin12 theta+sin 2theta
2.sin12theta-sin2theta
3.cos12 theta+ cos2theta
4.cos12 theta-cos2theta

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Answered by nithya12333

4

I can't understand your question dear plz say more clearly with gaps in the question ...

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