It looks like you're trying to solve for $YZ$ in a geometric or trigonometric context, possibly involving a triangle with a given angle (27°). However, I need more details, such as:

• A diagram or more context (e.g., is it a right triangle?).
• Any given side lengths.
• Any additional angle measures.

If you have a picture of the problem, feel free to upload it, and I’ll solve it step by step for you! 😊