SOLUTION: find the phase shift, period and amplitude of the function y=1-2cos(2pix-3pi/2)
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Question 855441: find the phase shift, period and amplitude of the function y=1-2cos(2pix-3pi/2)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find the phase shift, period and amplitude of the function y=1-2cos(2pix-3pi/2)
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General Form:: y = acos(bx+c)+d
phase shift = -c/b
period = (2pi)/b
amp = |a}
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Your problem::
a = -2
b = 2pi
c = -3pi
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ps = -c/b = 3/2
period = (2pi/b) = (2pi/2pi) = 1
amp = |-2| = 2
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Cheers,
Stan H.
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