Two Sides of a Right Triangle ABC (C Is the Right

Multiple Choice

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given
angle. Give exact answers with rational denominators.
-Find $\sin B$ when $b = 4$ and $c = 7$

A) $\frac { 4 } { 7 }$
B) $\frac { \sqrt { 33 } } { 7 }$
C) $\frac { 4 \sqrt { 33 } } { 33 }$
D) $\frac { 7 \sqrt { 33 } } { 33 }$