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Small circle, anyone?

  1. Jan 25, 2007 #1
    I need some good pointers to how could I derive arbitrary small circle equation in spherical coordinats (by hand or computer-aided), that is, LONG(t), LAT(t) or something like that.

    Also, any approximate equations? How bad they are?

    Please do not advice switching to cartesian, this is exactly what I would like to avoid.

    Thank you for reading.

    PS: if you happened to have ready equations, don't tease me, post'em.
  2. jcsd
  3. Jan 29, 2007 #2
    never mind, I have found the way around it. solution would still be good to know, but no longer necessary.
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