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Prove that : tan^(-1)1+tan^(-1)2+tan^(-1...

Prove that : `tan^(-1)1+tan^(-1)2+tan^(-1)3=pi`

A

`(pi)/(2)`

B

`pi`

C

`(3pi)/(4)`

D

`(5pi)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
B
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