Answer:
UW=
(already solved for you)
UV=

m∠V=45°
Explanation:
You're solving for sine because opp/hyp
sin(45°)*
=UV
UV=

2) Now you need to solve for an inverse, and since you know UV, you can use inverse cosine (cos^-1) to find your answer
cos^-1(
)
m∠V=45°