1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Surface integral question

  1. Dec 8, 2012 #1
    Look in the paint doc. I was wondering why they said z = rcos(θ) and not z = rsin(θ) and x = rcos(θ)
     

    Attached Files:

  2. jcsd
  3. Dec 8, 2012 #2

    haruspex

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    The set-up is symmetric between x and z, so does it matter which is equated with the cos and which with the sin?
     
  4. Dec 8, 2012 #3
    Well when i used sine I came out with a different answer but ill try again.
     
  5. Dec 9, 2012 #4
    You are right the answers are the same. thanks.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook