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int(0)^(pi)[cotx]dx, where [.] denotes t...

`int_(0)^(pi)[cotx]dx,` where [.] denotes the greatest integer function, is equal to

A

`-1`

B

`-pi//2`

C

`pi//2`

D

`1`

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-DEFINITE INTEGRALS-Questions from Previous Years. AIEEE/ JEE Main Papers
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  12. Variable x and y are related by equation x =int0^y (dt)/sqrt(1+t^2). ...

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