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Doug Kuhlmann

Posts: 3,630
Registered: 12/6/04
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Posted: Mar 4, 1998 3:26 PM
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For example graph sin(2PI*11X) + sin(2PI*10X) on your grapher.

Then graph 2cos(PI*X) over it.

in this case x=2PI*11X, y=2PI*10X and x-y=PI*X

AArgh, again. I meant (x-y)/2 = PI*X

Doug Kuhlmann
Math Department Chair
Phillips Academy
180 Main Street
Andover, MA 01810

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