The expression $\large\frac{\tan A}{1- \cot A} +\frac{\cot A}{1- \tan A}$ can be written as :

Question

$\begin{array}{1 1} (1) \sin A \cos A + 1 \\ (2) \sec A \; cosec A + 1 \\ (3) \tan A + \cot A \\ (4) \sec A + \; cosec A \end {array}$