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

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

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

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

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 (a) 0 (b) 2pi (c) pi (d) none of these

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 (a) 0 (b) 2pi (c) pi (d) none of these

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 0 (b) 2pi (c) pi (d) none of these

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 0 (b) 2 pi(c)pi pi(d) none of these

sin^(2)(2tan^(-1)sqrt((1+x)/(1-x)));|x|<1=

sin^(2)(2tan^(-1)sqrt((1+x)/(1-x)))="____","where "-1lexlt1

sin^(2)(2tan^(-1)sqrt((1+x)/(1-x)))="____","where "-1lexlt1