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Mathematics 9 Online
OpenStudy (anonymous):

I have a pair of freuqencies, f1=40 and f2=30. The beat frequency is the difference between the pair of frequencies, so when it is graphed, there are 10 beats. How can a comparison be made between the original pair of frequencies and the beat frequency? it has the equation y=2cos(5x)cos(35x)

OpenStudy (kropot72):

The information at this link might be helpful: http://en.wikipedia.org/wiki/Beat_(acoustics)

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