SOLUTION: find the amplitude, period, and phase shift of the following function y=-9cos(1/4(x+pi/2)

SOLUTION: find the amplitude, period, and phase shift of the following function y=-9cos(1/4(x+pi/2)

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Question 920667: find the amplitude, period, and phase shift of the following function
y=-9cos(1/4(x+pi/2)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
find the amplitude, period, and phase shift of the following function
y=-9cos(1/4(x+pi/2)
amplitude=9
period=2π/(1/4)=8π
phase shift=π/2(shift to the left)

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