hey plz plz help trigonometry identity.....
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in second one take lhs and change the cosec and cot into itsa resiprocal
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1) 1/cos A+sin A +1/ cos A - sin A
take lcm
=> cos A + sin A +cosA - sinA/cos^2 -sin^2
=> 2 cos A/cos^2 +cos^2 -1. (-sinA =cosA-1)
=> 2 cos A / 2cos^2 -1
take lcm
=> cos A + sin A +cosA - sinA/cos^2 -sin^2
=> 2 cos A/cos^2 +cos^2 -1. (-sinA =cosA-1)
=> 2 cos A / 2cos^2 -1
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