A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing

This Question is Closed

abb0t
 one year ago
Best ResponseYou've already chosen the best response.0Is this a medical emergency? If so, please call your local emergency number.

gerryliyana
 one year ago
Best ResponseYou've already chosen the best response.1it's math emergency

lillybeth123
 one year ago
Best ResponseYou've already chosen the best response.0wats ur question?

gerryliyana
 one year ago
Best ResponseYou've already chosen the best response.1These are the pictures that I've uploaded for my question

lillybeth123
 one year ago
Best ResponseYou've already chosen the best response.0oh glob, sorry i cant help, thats too hard, bye. :)

abb0t
 one year ago
Best ResponseYou've already chosen the best response.0I vaguely remember doing this, but I think you want to use the exponential form of cosh and sinh to prove it.

cblrtopas
 one year ago
Best ResponseYou've already chosen the best response.0Yeah, noob google series expansion of hyperbolic cosine and sine

cblrtopas
 one year ago
Best ResponseYou've already chosen the best response.0So sin z is equal to some summation. You multiply it by i. Work out a few terms in the summation making sure to remember that i^2=1 and try to simplify it to look like the sinh z formula.

gerryliyana
 one year ago
Best ResponseYou've already chosen the best response.1how about first one??

gerryliyana
 one year ago
Best ResponseYou've already chosen the best response.1For 1 < p < 1 prove that \[\sum_{n=0 }^{\infty} p^{n}\cos nx =\frac{ 1= pcos x }{ 12pcosx + p^2 }\]

cblrtopas
 one year ago
Best ResponseYou've already chosen the best response.0bleh too much effort
Ask your own question
Ask a QuestionFind 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.