`int ((tan(1/x))/x)^2`

int (tan^(-1)x)dx

Evaluate: int(tan^(-1)x)/(1+x^2)dx

int ((tan^(-1) x )^(3))/( 1+x^(2)) dx is equal to a) 3 ( tan^(-1) x )^(2) +C b) (1)/(4) ( tan^(-1)x)^(4) +C c) ( tan^(-1) x)^(4) + C d) none of these

int(tan(1+log x))/(x) dx

int(1)/((tan^(-1)x)^(2))*(1)/((1+x^(2)))dx

Evaluate: int(tan^-1x)^2/(1+x^2)dx

Evaluate: inte^(tan^-1x)/(1+x^2)dx

Evaluate: int(sin(tan^(-1)x)/(1+x^2)dx )

(i) int(1)/((1+x^(2))tan ^(-1) x )dx " "(ii) int(e^(tan^(-1)x))/(1+x^(2))dx

The value of lim_(x->oo)(int_0^x(tan^(-1)x)^2)/(sqrt(x^2+1))dx