Find the Limit $$\lim _ { x \rightarrow \frac { 10 } { x } } \tan ^ { - 1 } \left( \frac { 5 } { x } \right)$$

Short Answer

Find the limit. $$\lim _ { x \rightarrow \frac { 10 } { x } } \tan ^ { - 1 } \left( \frac { 5 } { x } \right)$$