SOLUTION: 1. What is the period of the function? y = 4 cos pi x A. 1 B. 2 C. pi D. 2pi 2. Which represents the reference angle for 2pi/3? A. 2pi/3 B. pi/3 C. pi/4 D. pi/

Question 873816: 1. What is the period of the function?
y = 4 cos pi x
A. 1
B. 2
C. pi
D. 2pi
2. Which represents the reference angle for 2pi/3?
A. 2pi/3
B. pi/3
C. pi/4
D. pi/
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1. What is the period of the function?
y = 4 cos pi x
Period = (2pi)/pi = 2
------------------------------
A. 1
B. 2
C. pi
D. 2pi
=================================================
2. Which represents the reference angle for 2pi/3?
Ans: pi/3
-----------------
A. 2pi/3
B. pi/3
C. pi/4
D. pi/
================
Cheers,
Stan H.
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