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Prove that : 2 tan^(-1)""(1)/(5)+se...

Prove that :
` 2 tan^(-1)""(1)/(5)+sec^(-1)""(5sqrt(2))/(7)+2tan^(-1)""(1)/(8)=(pi)/(4)`

A

`(pi)/(6)`

B

`(pi)/(4)`

C

`(pi)/(3)`

D

`(pi)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
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