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"Tan"^(-1)1/4+"Tan"^(-1)2/9=...

`"Tan"^(-1)1/4+"Tan"^(-1)2/9=`

A

`pi//4`

B

`Tan^(-1)1//2`

C

`2Tan^(-1)3//5`

D

`-pi//4`

Text Solution

Verified by Experts

The correct Answer is:
B
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