Prove that cot theta - cos theta\cot theta+cos thetha=cosec theta -1\cosec theta +1
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Step-by-step explanation:
cotA-cosA\cotA+cosA
=cosA/sinA-cosA\cosA/sinA+cosA
=cosA(1/sinA-1)\cosA(1/sinA+1)
=(1/sinA-1)\(1/sinA+1)
=cscA-1\cscA+1. [csc =cosec]
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