Find the Limit $$\lim _ { x \rightarrow 0 ^ { + } } \tan ^ { - 1 } \left( \frac { 2 } { x } \right)$$

Short Answer

Find the limit.
$$\lim _ { x \rightarrow 0 ^ { + } } \tan ^ { - 1 } \left( \frac { 2 } { x } \right)$$