I had a test today and there was a LR limit on it that I didn't get. I thought he said he got them out of the book, but I didn't see it anywhere. The equation was:
lim x\rightarrow\infty of (1 + cosx(1/x))x
So, I said that lim x\rightarrow\infty of cos(1/x) = cos(0) = 1
And therefore...