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The value of the expression Sin^(-1)(Sin...

The value of the expression `Sin^(-1)(Sin""(22pi)/7)+Cos^(-1)(Cos""(5pi)/3)+Tan^(-1)(Tan""(5pi)/7)+Sin^(-1)(Cos2)` is

A

`(17pi)/42-2`

B

`-2`

C

`-(pi)/21-2`

D

`(pi)/21`

Text Solution

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The correct Answer is:
A
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