How to prove lim_(x->0) cos(1/x)   has not lim?

 

asked Dec 19, 2011 in Calculus Answers by anonymous

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well you can substitute 0 in for x.

cos does not have a value at 1/0

lim (x-> 0) of (1/0) does not exist because of the 0 in the deminator.
answered Dec 20, 2011 by Al Level 6 User (15,320 points)

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