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Calculas Derivatives check

  1. Oct 16, 2007 #1
    Find the equation of the line normal to the curve at (0,0). (Normal lines are perpendicular to the tangent lines)

    2y + sinx = xcoxy

    I found the derivative to be (cosy - cosx)/ (2+ xsiny)

    then the slope tangent is 0...then the slope perpendicular to it is undefined...so then is the normal equation..x=0?
     
  2. jcsd
  3. Oct 16, 2007 #2

    Dick

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    That looks ok to me.
     
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