y = 3cos(2x) + 2
Step-by-step explanation:
A cosine function is represented ย by y = acos(bx + c) + d
a = amplitude
b =
c = horizontal shift
d = vertical shift
Given values of a = 3
period = ฯ =
So, b =
Horizontal shift c = 0
and d = 2
Therefore, will be the equation.