If `"tan"^(-1)(x-1)/(x-2) +"tan"^(-1) (x+1)/(x+2) =(pi)/(4)`, then find the value of x.

If sin^(-1) (1-x) -2"sin"^(-1)x =(pi)/(2) , then find the value of x.

Solve tan^(-1)x -"tan"^(-1)(1)/(4)=(pi)/(4) .

Solve tan^(-1)x +"tan"^(-1) (2x)/(1-x^(2))=(pi)/(2) .

If the sum of the ascute angles tan^(-1)x and "tan"^(-1) (1)/(2) is 45^(@) , then what is the value of x?

Solve tan^(-1)2x +tan^(-1)3x =(pi)/(4) .

If y=tan^(-1)((1)/(x))+tan^(-1)x , then find (d y)/(dx) .

Solve tan^(-1)(x-1) +tan^(-1) x +tan^(-1)(x+1)= tan^(-1)(3x) .

Solve "tan"^(-1)(1-x)/(1+x) =(1)/(2) "tan"^(-1)x, x gt 0 .

Solve for x, tan^(-1)(x+1) +tan^(-1) (x-1) =tan^(-1) ((8)/(31)) .

Solve for x, tan^(-1)((2x)/(1-x^(2)))+cot^(-1)((1-x^(2))/(2x))=(pi)/(3), -1 lt x lt 1 .