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cos theta(tan theta+2)(2tan theta+1)=2se...

cos theta(tan theta+2)(2tan theta+1)=2sec t sin theta

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Prove that cos theta (tan theta +2) (2tan theta +1) = 2 sec theta + 5 sin theta

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cos theta(tan theta+2)(2tan theta+1)=2sec theta+5sin theta

cos theta(tan theta+2)(2tan theta+1)=2sec theta+5sin theta

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