Answer:
Step-by-step explanation:
4
ANSWER

EXPLANATION
From the mnemonics SOH-CAH-TOA.
We want to find the cosine of y
CAH means cosine ratio involves adjacent over the hypotenuse.

From the right by triangle, the side ajacent to angle y is 64 units and the hypotenuse is 80 units.


Forty three million, eighty thousand, seven hundred
Answer:13/5
Step-by-step explanation: