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OpenStudy (alex6799):
A sound wave is modeled with the equation . a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent?
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OpenStudy (alex6799):
\[y=\frac{ 1 }{ 4 } \cos \frac{ 2\pi }{ 3 }0\]
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