Question

solve above questions
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Answer 1

Hii its tom85

taken theta@

LHS

=cot@ - tan@

=(cos^2@ - sin^2@)/cos@sin@

=(2cos^2@-1)/cos@sin@

RHS

BY using

tan@=sin@/cos@

cot@=cos@/sin@

sin^2@=1 - cos^2@

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hope it helps you dude