cos^(-1)((1)/(1+x^(2)))dx

If y= cos^(-1)((2x)/(1+x^(2))) , then (dy)/(dx) is -

int(1)/(x^(2)cos^(2)((1)/(x)))dx

int(1)/(x^(2)cos^(2)((1)/(x)))dx

Evaluate the following integral: int_0^1cos^(-1)((1-x^2)/(1+x^2))dx

Evaluate: int(e^tan^-1(x))/((1+x^2))[(sec^(-1)sqrt(1+x^2))^2+cos^(-1)((1-x^2)/(1+x^2))]dx(x >0)dot

Evaluate: int(e^tan^((-1)x))/((1+x^2))[((sec^(-1)sqrt(1+x^2))^2+cos^(-1)((1-x^2)/(1+x^2))]dx(x >0)dot

Evaluate: int(e^tan^((-1)x))/((1+x^2))[((sec^(-1)sqrt(1+x^2))^2+cos^(-1)((1-x^2)/(1+x^2))]dx(x >0)dot

Evaluate: int(e^(tan^(-1)x))/((1+x^2))[(sec^(-1)sqrt(1+x^2)+cos^(-1)((1-x^2)/(1+x^2))]dx,(x >0)dot

Evaluate: int(e^(tan^(-1)x))/((1+x^2))[(sec^(-1)sqrt(1+x^2)+cos^(-1)((1-x^2)/(1+x^2))]dx,(x >0)dot

If I_(1)= int Sin^(-1)((2x)/(1+x^(2)))dx,I_(2)= int Cos^(-1)((1-x^(2))/(1+x^(2)))dx, I_(3)= intTan^(-1)((2x)/(1-x^(2)))dx then the value of I_(1)+I_(2)-I_(3)=