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If sin^(-1)x=(pi)/(5) " for some x"in(-1...

If `sin^(-1)x=(pi)/(5) " for some x"in(-1,1) , "then : "cos^(-1)x=....`

A

`(3pi)/(10)`

B

`(5pi)/(10)`

C

`(7pi)/(10)`

D

`(9pi)/(10)`

Text Solution

Verified by Experts

The correct Answer is:
A
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