The value of tan^(-1)(1)+cos^(-1)(-1/2)+...

The value of `tan^(-1)(1)+cos^(-1)(-1/2)+sin^(-1)(-1/2)` is equal to `pi/4` b.`(5pi)/(12)` c.`(3pi)/4` d. `(13pi)/(12)`

A

`(pi)/(4)`

B

`(5pi)/(12)`

C

`(3pi)/(4)`

D

`(13pi)/(12)`

Text Solution

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The correct Answer is:

C

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