Prove the above question
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RHS
= cot. - tan
=cos/sin -sin/cos
=(cos^2 -sin^2)/ sincos
={(cos^2 -(1-cos^2)} /sincos
=( cos^2-1 +cos^2)/ sincos
=(2cos^2A-1)/sinAcosA
=LHS
HENCE PROVED
= cot. - tan
=cos/sin -sin/cos
=(cos^2 -sin^2)/ sincos
={(cos^2 -(1-cos^2)} /sincos
=( cos^2-1 +cos^2)/ sincos
=(2cos^2A-1)/sinAcosA
=LHS
HENCE PROVED
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