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cos^(-1)(15/17)+2 tan^(-1)(1/5)=...

`cos^(-1)(15/17)+2 tan^(-1)(1/5)=`

A

`pi//2`

B

`cos^(-1)((171)/(221))`

C

`pi//4`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
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