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Mathematics 14 Online
OpenStudy (g33k):

PLEASE HELP A sound wave is modeled with the equation y = 1/4 cos 2pi/3⊖. Find the period, explain your method. Find the amplitude, explain your method.

OpenStudy (peachpi):

y = A cos BΘ Amplitude = |A| Period = (2π)/B

OpenStudy (peachpi):

pick out A and B from your equation

OpenStudy (shadowlegendx):

^

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