Suppose That $\theta$ Is in Standard Position and the Given Point Is on Point

Multiple Choice

Suppose that $\theta$ is in standard position and the given point is on the terminal side of $\theta$ . Give the exact value of the indicated trig function for $\theta$ . Rationalize the denominator if necessary. If the function is undefined, say so.
- $( - 5,12 )$ ; find $\sin \theta$

A) $- \frac { 5 } { 13 }$
B) $- \frac { 12 } { 13 }$
C) $\frac { 12 } { 13 }$
D) $\frac { 5 } { 13 }$