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Mathematics 9 Online
OpenStudy (anonymous):

What are the period, amplitude, and range of the cosine function: y=-4cos8x?

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

OpenStudy (dan815):

the range is from -1 to 1 it looks like this

OpenStudy (dan815):

|dw:1432336131186:dw|

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