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

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

A

1)`pi`

B

2)`(pi)/2`

C

3)`(pi)/4`

D

4)`(3pi)/4`

Text Solution

Verified by Experts

The correct Answer is:
C
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