Find the measure of the arc or angle indicated. 10)
870
с
75
?
sof
Swer
E
noon
Do you
A) 84°
C) 1239
E) 1730
B) None of these
D) 63°

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

The answer is 60.9774