9514 1404 393
Answer:
5/13
Explanation:
The mnemonic SOH CAH TOA is intended to remind you of the relation ...
Sin = Opposite/Hypotenuse
The side opposite Y is the one that does not have Y in its name: XZ. The hypotenuse is the longest side: YX. Then your ratio is ...
sin(Y) = XZ/YX
sin(Y) = 5/13