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

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


   

Question 920667: find the amplitude, period, and phase shift of the following function
y=-9cos(1/4(x+pi/2)
Answer by lwsshak3(11628) About Me  (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)