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OpenStudy (anonymous):
What are the period, amplitude, and range of the cosine function: y=-4cos8x?
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OpenStudy (anonymous):
@dan815 @Hero @iGreen
OpenStudy (anonymous):
@Ali0094
OpenStudy (dan815):
are you aware of the period and amplitude of the base graph y=cosx
OpenStudy (anonymous):
The amplitude is 1/2 and the period is 2pi right?
OpenStudy (dan815):
the 2pi is right, the amplitude is actually 1
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OpenStudy (dan815):
the range is from -1 to 1 it looks like this
OpenStudy (dan815):
|dw:1432336131186:dw|
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