### In Exercises 21-28, use the graph to find the lim…

00:32
University of California, Berkeley
Problem 27

In Exercises 21-28, use the graph to find the limit (if it exists). If the limit does not exist, explain why.
$$\lim _{x \rightarrow 0} \cos \frac{1}{x}$$

Limit does not exist.

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## Video Transcript

I think that we have to find a limit as except with, you know, a little Rex. Don't try to approach from the left hand side. You know, once we start approaching at some point, we don't We can't even tell where we're approaching. And in that the single was the right hand side. Because this function here as expertise, it off going too quickly. So we say that our function does not exist or not. Our function are minutes is not a good, and that's working.