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cos^(-1)(-1/2)-2sin^(-1)(1/2)+3cos^(-1)(...

`cos^(-1)(-1/2)-2sin^(-1)(1/2)+3cos^(-1)(-1/sqrt2)-4tan^(-1)(-1)` is equal to

A

`(19pi)/12`

B

`(35pi)/12`

C

`(47pi)/12`

D

`(43pi)/12`

Text Solution

Verified by Experts

The correct Answer is:
D
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