2cos ^2 theta+ 2 /1+cot ^2 theta =2
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Answer:
Step-by-step explanation:
Taking lhs
=2cos^2∅+2/1+cot^2∅
=2(cos^2∅+1)/1+cot^2∅
=2(1-sin^2∅+1)/cosec^2∅
=2(sin^2∅)/cosec^2∅
=2(sin^2∅)/1/sin^2∅
=2
=rhs prooved
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