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2"Tan"^(-1)1/3+"Tan"^(-1)1/7=...

`2"Tan"^(-1)1/3+"Tan"^(-1)1/7=`

A

`pi`

B

`pi//2`

C

`pi//4`

D

`3pi//4`

Text Solution

Verified by Experts

The correct Answer is:
C
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