Find the number of real solutions of the equation `sin^(-1)(e^(x))+cos^(-1)(x^(2))=pi//2`.

Find the number of solutions of the equation sin x=x^(2)+x+1

Find the number of real solution to the equation 3cos^(-1)x-pix-pi/2=0

The number of real solutions of the equation sin(2^(x))=pi^(x)+pi^(-x) is

The number of real solutions of the equation sin^(-1)((1+x^(2))/(2x))=(pi)/(2)sec(x-1) is

The number of real solution(s) of the equation sin^(-1)sqrt(x^(2)-5x+5)+cos^(-1)sqrt(4x-x^(2)-3)=pi is/are

The number of solution (s) of the equation sin^(-1)(1-x)-2sin^(-1)x=(pi)/(2) is/are

The number of solutions for the equation sin^(-1) sqrt((x^(2)-x+1))+cos^(-1)sqrt((x^(2)-x))=pi is :