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cos[cos^(-1)(-1/5)+sin^(-1)(-1/5)] is...

`cos[cos^(-1)(-1/5)+sin^(-1)(-1/5)]` is

A

`4/9`

B

`1/3`

C

0

D

`-1/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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