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Sin A of a cross product

  1. Jul 3, 2008 #1
    1. The problem statement, all variables and given/known data

    Just a general questions I don't understand. Why is it sin A in a cross product and not cos A?
    I don't understand it in the equation F=qvBsinA

    2. Relevant equations


    3. The attempt at a solution

  2. jcsd
  3. Jul 3, 2008 #2
    nvm.. got it...
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