A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
the limit as x> 0 for
cos(2x)1 / cos(3x)1
anonymous
 5 years ago
the limit as x> 0 for cos(2x)1 / cos(3x)1

This Question is Closed

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0ok if you plug in 0 you get 0/0 so you can use l'hospital's rule 2sin(2x)/3sin(3x) give me just a sec i'm going to use the equation thingy

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0}\frac{2}{3} \frac{\sin(2x)}{2x}\frac{\sin(3x)}{3x}6x^2\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0it says the answer is 4/9

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0} \frac{\cos(2x)1}{\cos(3x)1}\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0i put sin(3x) in the numerator do you see that?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0}\frac{2}{3}\frac{\sin2x}{2x}\frac{3x}{\sin(3x)}\frac{2x}{3x}\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0got it? do you remember what sinx/x goes to as x goes to 0?
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.