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  1. J

    Arc Length

    Wow, rude much?
  2. J

    Arc Length

    Sure wish I would've seen all of this before class today. No one at the tutoring center could come up with the answer.. sigh. Hopefully this isn't a stupid question, but I see everyone throwing around the ? symbol. Does that stand for something specifically, or is it being used just for...
  3. J

    Arc Length

    I agree that it's a booger, but this has to done by hand. We haven't used Simpson's rule or any tech methods so all I have available is Trig substitution, integration by parts etc. Will have to see if the tutoring center at school can help.
  4. J

    Arc Length

    Actually, THIS is the point I'm stuck at. I included the stuff from under the square root in my first post.. What I need help with is the integration. Thanks!
  5. J

    Arc Length

    I guess I forgot to mention that the formula for arc length we're using is (forgive me.. I don't know how to use the integration symbol on here): Integration from ? to ?/2, ? r[sup:xyrn38za]2[/sup:xyrn38za] + (dr/d?)2.. this is where I'm stuck now. I have the stuff under the radical, just don't...
  6. J

    Arc Length

    Hi. I'm having trouble completing this homework problem.. any help would be greatly appreciated! Find the length of the parabolic segment r =2/(1-cos?) , ?/2 ? ? ? ? . I know I need to calculate r[sup:29elfnaf]2[/sup:29elfnaf], and (dr/d?)[sup:29elfnaf]2[/sup:29elfnaf], but once I do that...
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