1.

If `4sin^(-1)x+cos^(-1)x=pi`, then `x` is equal toA. `2/3`B. `1/3`C. `1/2`D. `2`

Answer» Correct Answer - C
`3sin^(-1)x=pi-(pi)/2`
`sin^(-1)x=(pi)/6,x=1/2`


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