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If Cos theta + sin theta =√2cos theta.prove that cos theta -sin theta =√2sin theta |
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Answer» But pk vo toh prove krna hai na,so how can u bring rhs to lhs?? Sorry lhs ko rhs me transfer karns....jada easy hoga......sign ka problem na hoga. Bhai eq....(1)ka square kar do........then rhs ko lhs me la lo......and then add 2 sin^2 thete to both side. |
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