math 285, the week of August 25

Brash up your calculus. Review Chapter 1.1. Listen to the first lecture.

Homework (due by Monday, 9.1):

1. For which $$x$$ there exists a real solution to
$y^2-4xy+4=0?$
2. Simplify
$\frac{\sin(x+y)-\sin(x-y)}{\sin(y)}.$
3. Solve differential equations
$y’=\sin(2x+3)$
and
4. $y’=\frac{1}{1+t^2}$

5 Responses to math 285, the week of August 25

1. AbrarSyed August 31, 2014 at 11:50 am #

I cannot listen to the lecture no matter how much I try. I log in correctly, however I allways get the following response. http://bit.ly/Z3vpFJ

• yuliy September 1, 2014 at 1:38 pm #

Do you have an account on uofi.box.com? If not, do register; it will give you, besides the access to the lectures, 15Gb of cloud storage.

2. Ji Jeong September 1, 2014 at 9:09 pm #

I was also having the same problems and I would get the same response as Abrar. So instead of signing in with our UIUC ID and password, we should make a separate account for uofi.box.com to listen to the lectures?

• yuliy September 1, 2014 at 10:10 pm #