2.
515
Below is a graph of the basic cosine function: y = cos 0 (Note: Max, Zero, Min, Zero, Max)
10
9π-4π
7π
2
2
-
5π
2
-2π
-53π
2
KIN
2
B. Graph y = 4cos 2 (0 +7) - 3
5.
0
KIN
π
TT
375
2π
5π
310
7π
Απ
9π
155
2
2
2
2
2
-5-