Question

Cos5pi/3 =
A. 3/2
B.1/2
C. 2/2
D.-2/2
HELPP

Answer 1

Answer: B

Explanation:

Answer 2

B) 1/2

Explanation:

Note that pi=180.

Then we have 180/3=60 and so 5*60=300.

Thus cos 300=1/2.

Therefore, cos 5pi/3=1/2.