Use L'H^opital's Rule to Find the Limit $\lim _ { x \rightarrow \theta } \frac { \sin 9 x } { 5 x }$

Multiple Choice

Use l'H^opital's rule to find the limit.
- $\lim _ { x \rightarrow \theta } \frac { \sin 9 x } { 5 x }$

A) $\frac { 9 } { 5 }$
B) 1
C) 0
D) $\frac { 1 } { 5 }$