SOLUTION: I would like to know the amplitude, period and phase shift of the following function: y=3cos (x+pi/4)

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Question 930216: I would like to know the amplitude, period and phase shift of the following function:
y=3cos (x+pi/4)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
I would like to know the amplitude, period and phase shift of the following function:
y=3cos (x+pi/4)
amplitude=3
period=2π
phase shift: π/4 (shift to the left)