The value of cos[cos^(-1)(-(1)/(7))+sin^...

The value of `cos[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))]` is -

A

`(-1)/(3)`

B

0

C

`(1)/(3)`

D

`(4)/(9)`

Verified by Experts

The correct Answer is:

B

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