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prove that cos^2x +1/(1+ cot^x) =1

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Solution: We have ,

\ Rightarrow LHS =cos^2x+ 1/(1+cot^2x) \ \

We know , 

\ Rightarrow 1 +cot^2x=cosec^2x

\ Rightarrow cos^2x+1/cosec^2x \ \ Rightarrow cos^2x+sin^2x=1

PROVED

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Deependra Verma

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