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cos [2"cos"^(-1) (1)/(5) + "sin"^(-1) (1...

`cos [2"cos"^(-1) (1)/(5) + "sin"^(-1) (1)/(5)]=`

A

`(sqrt(6))/(5) `

B

`-((2 sqrt(6))/(5))`

C

`(2)/(5) `

D

`2 sqrt(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
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