Osculating Circle Show that P 1n If rt is the position vect
     Osculating Circle:  Show that P = 1/n.  If r(t) is the position vector associated with the curve, write OC in terms of r, p and N.  Consider the helix of parametric equations  x = 2sin3t, y=t z=2cos3t  Find the equation of the plane containing the osculating circle to the curve at the point (0, pi, -2).  
  
  Solution
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