In $$\triangle$$ XYZ, $$\angle X=90^{\circ}$$, YZ= 15 cm, and XZ = 12 cm. Then find $$Cos Y$$.

A

$$\frac{2}{5}$$

B

$$\frac{4}{5}$$

C

$$\frac{3}{5}$$

D

$$\frac{3}{4}$$