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.
- $( 3,8 )$ ; find $\sin \theta$

A) $\frac { 3 \sqrt { 73 } } { 73 }$
B) $\frac { 8 } { 3 }$
C) $\frac { 3 } { 8 }$
D) $\frac { 8 \sqrt { 73 } } { 73 }$