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  • 01-06-2018
  • Mathematics
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please help!! will give brainliest
A sound wave is modeled with the equation

please help will give brainliest A sound wave is modeled with the equation class=

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carlosego
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  • 01-06-2018
a) By definition, you have that the period of the y=aCos(bx) is:
 Period=2π/|b|
 b=2π/3
 Period=2π/(2π/3)
 Period=3
 b) The amplitude of y=aCos(bx) is:
 Amplitude=|a|
 Amplitude=1/4
 c) The mideline represents the horintal line that passes between the maximum and minimum points. In the equation y=aCos(bx) the mideline is:
 y=0
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