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it's lies in the interval -1,1 isn't ?

nothing like that , prove by epsilon delta , thats all i know ! :p

LOL!! Nice :))

LOL ! :p

http://www.wolframalpha.com/input/?i=lim+x-%3E0+%28+sin+1%2Fx%29
seems like undefined

is the ans there at this link ?

it says that limit is undefined

it's DNE!! :D

but is it explained ?

Nopes.

lol ! I also know the ans , but the prob is explanation ! :p

This has a somewhat rigorous proof

This is a simple way to understand:http://mathforum.org/library/drmath/view/53369.html

really ???

Yes really!! :D

thnksss !!!!! :->>

http://www.math.washington.edu/~conroy/general/sin1overx/

Btw nice problem!

I have many lyk these ! epsilon delta is really gettn on my nerves ! :p

you are studying single variable or multivariate?

Lucky u ! :>

lol, I have many many others things to study so not that :P