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OpenStudy (anonymous):
PLEASE HELP!!! what is the period of the function? y = 4 cos pi x
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OpenStudy (anonymous):
well to find the period fromula is \[ \frac{ 2\Pi }{ n }\]
OpenStudy (anonymous):
so I plug in 4 cos pi for b?
OpenStudy (anonymous):
Y= amplitude cos pi n x
OpenStudy (anonymous):
ur n is 1 therefore ur period would be 2Pi
OpenStudy (anonymous):
Thank you so much! I thought the period was 1
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OpenStudy (anonymous):
nw :)
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