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TNB Frame vectors

  1. Nov 3, 2008 #1
    In vector calculus, with a space curve C, there are the 3 vectors, tangent, normal, and binormal.

    Are they always considered in their UNIT form, ie., divided by their length?
  2. jcsd
  3. Nov 3, 2008 #2


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    Science Advisor

    There is no hard and fast rule. It is simply a matter of convention.
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