Question

Find the value of each variable. Help asappppp

Answer 1

Y= 20

Z = 20

Explanation:

Y:

cos(∠BAC) =
`(AC)/(AB)`

cos(45°) =
`(y)/(20√(2))`

Y= 20

Z:

sin(∠BAC) =
`(BC)/(AB)`

sin(45°) =
`(z)/(20√(2))`

z = 20