sin(1-x)-2sin^(-1)x=pi/2

Solve for x: sin^(-1)(1-x)-2sin^(-1)x=pi/2

The value of x which satisfies sin^(-1)(1-x)-2sin^(-1)x=(pi)/(2) is (A) x=1 (B) x=(1)/(2)(C)x=0 (D) none of these

Solve the following equations : sin^(-1)(1-x)-2sin^(-1)x=(pi)/2 then x is equal to

Solve the following equations : sin^(-1)(1-x)-2sin^(-1)x=(pi)/2 then x is equal to