Answer:
Step-by-step explanation:
ummm what there is no question!
Here is the answer to your question.
8/13 = 0.6153
y = cos-1(0.6153)
y = 52.0
I'm not totally sure if this is what you mean or if this is.
y = cos(8/13) = 0.9999 which to the nearest tenth is 1.0
The answer is A.)10 1/2
