Question 799100: What is the period of the following equation
Y=1-2cos8(x+pi)
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! What is the period of the following equation
Y=1-2cos8(x+pi)
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Equation of cos function: y=Acos(Bx-C)+D, A=amplitude, Period=2π/B, Phase shift=C/B, Vertical shift=D
Rewrite given equation:y=1-2cos8(x+π)
y=1-2cos(8x+8π)
B=8
Period=2π/B=2π/8=π/4
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