If f(x) = tanx-tan ^(3) x + tan^(5) x - ...

If `f(x) = tanx-tan ^(3) x + tan^(5) x - tan ^(7) x + ... infty` for
`olt x lt pi/4 , "than" int_(0)^(pi//4) f (x) dx=`

A

1

B

0

C

`1//4`

D

`1//2`

Verified by Experts

The correct Answer is:

C

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