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If 4\ sin^(-1)x+cos^(-1)x=pi , then what...

If `4\ sin^(-1)x+cos^(-1)x=pi` , then what is the value of `x` ?

A

`2/3`

B

`1/3`

C

`1/2`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
C
`3sin^(-1)x=pi-(pi)/2`
`sin^(-1)x=(pi)/6,x=1/2`
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