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OpenStudy (anonymous):
y=6/7cos x/2 need to find the period and amplitude?
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OpenStudy (anonymous):
anyone?
hero (hero):
The amplitude is the coefficient of the cosine function The period is 2pi divided by the coefficient of variable x
OpenStudy (mathmale):
This problem might be easier for you and others if you'd please enclose that 6/7 in parentheses first. Next, factor x/2 into (1/2)x. What's the coefficient of the cosine function? What's the coefficient of x? How do these results translate into amplitude and period?
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