(1 +cot A+tan A)(sin A-cos A) =secA/cosec2A - cosecA/sec2A =sinA tanA -cotAcosA
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Step-by-step explanation:
(1+tan 2A)cot A /Cosec 2A=tan A
= sec^2A.cot^2A/cosec^2A=tanA
= 1/cos^2A.cosA/sinA /1/sin^2A
= sin^2A/sinA.cosA
= sinA/cosA
= tanA
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