Asked by lexi
a sound wave is modeled with the equation y=1/4 cos 2pi/3 theta.
a.find the period.explain
b.find the amplitude.explain
a.find the period.explain
b.find the amplitude.explain
Answers
Answered by
Steve
y = A cos(kx) has
amplitude A
period 2pi/k
Now just plug in your numbers
amplitude A
period 2pi/k
Now just plug in your numbers
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