Find the Requested Information Using the Law of Cosines And/or $a = 3$

Multiple Choice

Find the requested information using the law of cosines and/or the law of sines. Round to three decimal places.
-A triangle has sides $a = 3$ and $b = 4$ and angle $C = 40 ^ { \circ }$ . Find the sine of $B$ .

A) $0.25$
B) $0.062$
C) $0.75$
D) 1