The value of 3 "tan"^(-1)(1)/(2) + 2 "t...

The value of ` 3 "tan"^(-1)(1)/(2) + 2 "tan"^(-1)(1)/(5) + "sin"^(-1)(142)/(65sqrt(5))` is :

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`pi `

D

None of these

Verified by Experts

The correct Answer is:

C

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