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Change in unit vectors

  1. Nov 18, 2011 #1
    1. The problem statement, all variables and given/known data

    In cylindrical coordinates: what is d(theta-hat)/d(theta)?

    2. Relevant equations

    3. The attempt at a solution

    I'm fairly certain it is -rho... without a direction? or is it -rho*theta-hat?

    Thanks in advance!
  2. jcsd
  3. Nov 18, 2011 #2

    Doc Al

    User Avatar

    Staff: Mentor

    [tex]-\hat r[/tex]
  4. Nov 18, 2011 #3
    ooh, awesome, that fixes the problem I was having.. thank you!!
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