tan[(1)/(2)sin^(-1)(2x)/(1+x^(2))+(1)/(2)cos^(-1)(1-y^(2))/(1+y^(2))];xy

Express the value of the following in simplest form. "tan"{1/(2)"sin"^(-1)(2x)/(1+x^(2))+1/(2)"cos"^(-1)(1-y^(2))/(1+y^(2))}

tan{(1/2)sin^(-1)((2x)/(1+x^(2)))+1/2cos^(-1)((1-y^(2))/(1+y^(2)))} .

Find the value of the following: tan((1)/(2))[sin^(-1)((2x)/(1+x^(2)))+cos^(-1)((1-y^(2))/(1+y^(2)))],|x| 0 and xy<1

Find the value of: tan((1)/(2)[(sin^(-1)(2x))/(1+x^(2))+(cos^(-1)(1-y^(2)))/(1+y^(2))]),|x| 0 and xy,|x| 0

tan[1/2sin^(-1)((2x)/(1+x^(2)))-1/2cos^(-1)((1-y^(2))/(1+y^(2)))]=

Find the value of "tan" (1)/(2)[ "sin"^(-1)(2x)/(1+x^(2)) +"cos"^(-1) (1-y^(2))/(1+y^(2))], |x| lt 1, y gt 0 and xy lt 1 .

Prove that tan{1/2sin^(-1)((2x)/(1+x^(2)))+1/2cos^(-1)((1-y^(2))/(1+y^(2)))}=(x+y)/(1-xy) , where |x| lt 1,y gt 0 and xy lt 1 .

Find the value of tan { 1/2 sin^(-1) ((2x)/(1+x^(2))) + 1/2 cos^(-1) ((1-y^(2))/(1+ y^(2)))}

Find the value of tan { 1/2 sin^(-1) ((2x)/(1+x^(2))) + 1/2 cos^(-1) ((1-y^(2))/(1+ y^(2)))}