1st problem ( Read more... )

I am horrible at finding the period and sometimes the shift which leads to problems finding the key points ( Read more... )

Hi, I've been having problems with functions and I would appreciate it if someone would tell me why I am not getting the right answer for these questions.

( Questions under the cut. Thank You. )

Hi guys. I would really appreciate it if you could help me out. You see, we're doing trigonometric identities in my pre-calculus class, and for the most part I understand, but I'm stuck on the following equations:

1) Law of Cosines
You have a triangle with a=24 b=19 c=29 and you need to solve it (get all the angles) with the formula a2 = b2 + c2I ( Read more... )

I was wondering would anyone know what websites are good for Precalculus? Any recommendations? Any book recommendations? A good place/website/book to go to study, when you can only do it by yourself and for self-practice ( Read more... )