A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 3 years ago
find limit to infinity
4x sin (1/x)
Answer is 4
anonymous
 3 years ago
find limit to infinity 4x sin (1/x) Answer is 4

This Question is Closed

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0multiply by (1/x)/(1/x)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Or define y=1/x where y tends to 0, and you get the basic limit of (sin x)/x

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Can you please show me how to do it?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0that is it, there is nothing else, it is know that lim when y > 0 of (sin x)/x is 1: look at the picture.dw:1347580779959:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0The arc lenght and the sin get praticaly equal, and in the limit they coincide, when you substitute what I said you get this limit, wich is 1, times 4.
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.