Question

I literally have no clue how to do this.

Answer 1

Explanation:

Sine is opposite divided by the hypotenuse.

sin(30) = 9/y

1/2 = 9/y

y = 18

Cosine is adjacent divided by the hypotenuse

cos(30) = x/18

`(√(3) )/(2)=x/18\\x=9√(3)=15.6`