Number of possible solution for the equation `sin^(-1) x + cos^(-1)y=(11pi)/(2)` is / are

The number of solutions of the equation sin^(-1)|x|=|cos^(-1)x| are

Number of solution of the equation 2sin^(-1)(x+2)=cos^(-1)(x+3) is :

Number of solutions (s) of the equations cos^(-1) ( 1-x) - 2 cos^(-1) x = pi/2 is

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

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

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

The number of the solutions of the equation 2 sin^(-1) sqrt(x^(2) + x + 1) + cos^(-1) sqrt(x^(2) + x) = (3pi)/(2) is

The number of solutions of the equation 1 +sin^(4) x = cos ^(2) 3x, x in [-(5pi)/(2),(5pi)/(2)] is

The number of solutions of the equation cos^(-1)((1+x^2)/(2x))-cos^(-1)x=pi/2+sin^(-1)x is 0 (b) 1 (c) 2 (d) 3

The number of solutions of the equation cos^(-1)((1+x^2)/(2x))-cos^(-1)x=pi/2+sin^(-1)x is 0 (b) 1 (c) 2 (d) 3