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if int 1/(1+sinx)dx = tan(x/2+a) + C the...

if `int 1/(1+sinx)dx = tan(x/2+a) + C` then find the value of a

A

`a=-(pi)/(4),binR`

B

`a=(pi)/(4),binR`

C

`a=(5pi)/(4),b inR`

D

none of these

Text Solution

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The correct Answer is:
a
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