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anonymous
 5 years ago
How do I draw the curve of 2cos(3x)? And also the curve cos(x/3)?
anonymous
 5 years ago
How do I draw the curve of 2cos(3x)? And also the curve cos(x/3)?

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.02 is the amplitude and 3 is the frequency. You need to modify a regular cosine graph to be pulled vertically between 2 and 2 and compress it so that it does 3 cycles in 2pi. With cos(x/3) the only change you make to a regular cosine graph is to stretch it out along the x axis so that it is 3 times as long; or rather 1 complete cycle is 6pi.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Ah yes! Fantastic! I get it now! Thanks very much! :)
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