Question

PLEASE HELP I DON'T UNDERSTAND HOW TO DO THIS​

Answer 1

Answer: C

Explanation:

cos ∅ = adj/ hyp = XZ/ZY

the inverse cos is how you find angle

`cos^(-1)(XZ)/(YZ)` none of these are your choices so try sin

sin∅ = opp/hyp = xy/yz

`sin^(-1)(XY)/(YZ)`

so answer is C