Number of solution of the equation `sin(1/5 cos^-1 x) = 1` is

Number of solutions of the equation sin(1/3cos^(-1)x)=1 are only one (b) No solution only three (d) at least two

Number of solutions of the equation sin((1)/(3)cos^(-1)x)=1 are only one (b) No solution only three (d) at least two

Number of solutions of equation sin((1)/(3)cos^(-1)x)=1 is/are:

The number of solution (s) of the equation sin^-1x + cos^-1(1-x)=sin^-1(-х) is/are

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is