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tan^(-1)((1)/(4))+tan^(-1)((2)/(9)) is e...

`tan^(-1)((1)/(4))+tan^(-1)((2)/(9))` is equal to

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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