simplify `2tan^-1 ((1+x)/(1-x))+sin^-1 ((1-x^2)/(1+x^2))`

2 tan ^(-1)""(1+x)/(1-x)+sin ^(-1)""(1-x^(2))/(1+x^(2))

If x_(1)=2tan^(-1)((1+x)/(1-x)), x_(2)=sin^(-1)((1-x^(2))/(1+x^(2)))," where "x in (0, 1)," then "x_(1)+x_(2) is equal to

Prove that 2tan^(-1)((1+x)/(1-x))+sin^(-1)((1-x^(2))/(1+x^(2)))=pi

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

Prove that: sin[tan^(-1)((1 - x^2)/(2x)) + cos^(-1) ((1 - x^2)/(1 + x^2))] = 1

Simplify tan^(-1)(cos x/(1+sin x))

3 sin ^(-1)((2 x)/(1+x^(2)))-4 cos ^(-1)((1-x^(2))/(1+x^(2))) +2 tan ^(-1)((2 x)/(1-x^(2)))=(pi)/(3) ( then ) x=

Prove that: sin{tan^(-1)((1-x^2)/(2x))+cos^(-1)((1-x^2)/(1+x^2))}=1

Prove that: sin{tan^(-1)((1-x^2)/(2x))+cos^(-1)((1-x^2)/(1+x^2))}=1