Tuesday, August 25, 2009

Homework

For number 44 and 45 I'm a little confused.

The arcsec formula what exactly is this IuI ?
Also, how do you solve arctan(x/a)?

Can someone help?

4 comments:

  1. it is the absolute value of u.make x/a = 1/a times x. Then you have a number times x.

    ReplyDelete
  2. Ohh, I thought |u| was the derivitave of u

    ReplyDelete
  3. yeah im with mamie. i thought that was the derivitive of u. and thanks brandi for clearing that up

    ReplyDelete