Respuesta :

Answer:

1/2

Step-by-step explanation:

Cos 60 = [tex]\frac{adjacent}{hypotenuse}[/tex]

1/2 = [tex]\frac{XZ}{4}[/tex]

Multiplying both sides by 4

=> XZ = 2

Sin Y = [tex]\frac{opposite}{hypotenuse}[/tex]

Sin Y = [tex]\frac{2}{4}[/tex]

Sin Y = 1/2