Find maximum value of x for which independent of x. `2tan^-1x+cos^-1((1-x^2)/(1-x^2))` is

Find maximum value of x for which independent of x.2tan^(-1)x+cos^(-1)((1-x^(2))/(1-x^(2))) is

Write the value of x for which 2tan^(-1)x = cos^(-1)[(1-x^(2))/(1+x^(2))] holds:

The complete set of values of x for which 2 tan^(-1)x+cos^(-1)((1-x^(2))/(1+x^(2))) is independent of x is :

The complete set of values of x for which 2 tan^(-1)x+cos^(-1)((1-x^(2))/(1+x^(2))) is independent of x is :

Write the set of the value of x for which 2tan^(-1)x="cos"^(-1)(1-x^(2))/(1+x^(2)) holds.

The value of sin [tan ^(-1)((1-x^(2))/(2 x))+cos ^(-1)((1-x^(2))/(1+x^(2)))]=

If x in R , find the maximum and minimum values of 2 tan^-1 x + sin^-1 ((2x)/(1+x^2))

The value of cos[2tan^(-1)(1+x)/(1-x)+sin^(-1)(1-x^(2))/(1+x^(2))] is