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Laplacian in Spherical Coordinates

  1. Nov 4, 2012 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    All above.

    3. The attempt at a solution

    Tried the first few, couldn't get them to work. Any ideas, hopefully for each step?
  2. jcsd
  3. Nov 5, 2012 #2
    For a, you should remind yourself of trigonometric identities involving right triangles.

    For b, how long is a unit vector?
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