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nickymardenBest ResponseYou've already chosen the best response.0
\[\lim_{x \rightarrow 0} cosx1/x\]
 2 years ago

Thomas9Best ResponseYou've already chosen the best response.1
I had my answer ready for the other one, I need to think about this one.
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
are you allowed to use l'Hospitals rule?
 2 years ago

nickymardenBest ResponseYou've already chosen the best response.0
nope. Professor said that if we use it he won't consider the answer
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
well this limit is very wellknown, and is usually proven geometrically, so... I'm not sure what we want to do here
 2 years ago

nickymardenBest ResponseYou've already chosen the best response.0
there are 2 ways to finding the answer, and I know it's 0. I know one of them, wich takes too long, i want the other.
 2 years ago

Thomas9Best ResponseYou've already chosen the best response.1
You can write cos(x) as a series, that'll work.
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
^that is true, that would be the only other way to prove it besides the geometric way which is given here: http://ocw.mit.edu/courses/mathematics/1801scsinglevariablecalculusfall2010/partadefinitionandbasicrules/session7derivativesofsineandcosine/
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
so there are technically 3 ways of finding the answer
 2 years ago

nickymardenBest ResponseYou've already chosen the best response.0
yep. MIT always saving my life. Thanks again :P
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
that is the long way though^ the "short" way is l'Hospitals rule
 2 years ago

TuringTestBest ResponseYou've already chosen the best response.2
but you're welcome :)
 2 years ago
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