tan(cot^-1x) is equal to

The correct answer is Option 2: $\frac{1}{x}$

$\theta = \cot^{-1} x$

$\cot\theta = x$

$\tan\theta = \frac{1}{\cot\theta} = \frac{1}{x}$

$\tan(\cot^{-1} x) = \frac{1}{x}$

The value is $\frac{1}{x}$.