Question 410300
graph P=100-20cos(8π/3t)
State the period and amplitude
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Period = (2pi)/(8pi/3) = (6/8) = 3/4
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Amp = |-20| = 20
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Graph:
{{{graph(400,300,-6,6,-10,130,100-20cos((8/3)pi*x))}}}
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Cheers,
Stan H.