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tan ^(-1) (1/11)+tan ^(-1)(2/12)=...

`tan ^(-1) (1/11)+tan ^(-1)(2/12)=`

A

`tan ^(-1) (3)/(132)`

B

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

C

`tan ^(-1) (132)/(33)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
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