Thread: differential question
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Old July 4th, 2009, 01:05 AM
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Quote:
Originally Posted by calc101 View Post
y = cost kt
y' = -ksinkt
y''= -k^2coskt
4(-k^2coskt) = -25(coskt)
Please consider improving your use of notation, in particular put brackets around the arguments of functions.

Also \sin and \cos will improve the readability as well

CB
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