A community for students.
Here's the question you clicked on:
 0 viewing
nickymarden
 3 years ago
...
nickymarden
 3 years ago
...

This Question is Closed

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

Thomas9
 3 years ago
Best ResponseYou've already chosen the best response.1I had my answer ready for the other one, I need to think about this one.

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

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

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

nickymarden
 3 years ago
Best ResponseYou've already chosen the best response.0there 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.

Thomas9
 3 years ago
Best ResponseYou've already chosen the best response.1You can write cos(x) as a series, that'll work.

TuringTest
 3 years ago
Best 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/

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

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

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

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.2but you're welcome :)
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.