Question 458896: How do I get the phase shift for y = cos(3x+pi) ?
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! How do I get the phase shift for y = cos(3x+pi)
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Standard form of cosine function: y=Acos(Bx-C), with A=amplitude, Period=2π/B, phase-shift=C/B
For given cosine function: y=cos(3x+π)
Amplitude=1
B=3
Period=2π/B=2π/3
phase-shift=C/B=π/3
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