If the solution curve of the differential equation \( \big((\tan^{-1}y)-x\big)\,dy=(1+y^{2})\,dx \) passes through the point \( (1,0) \), then the abscissa of the point on the curve whose ordinate is \( \tan(1) \), is
\( 2e \)
\( \frac{2}{e} \)
\( 2 \)
\( \frac{1}{e} \)