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• orthocenter
  the coordinates of othocenter of triangle A(x1,y1),B(x2,y2),C(x3,y3) is {(x1 tanA+x2 tanB+x3 tanC)/(tanA+tanB+tanC)},{(y1 tanA+y2 tanB+y3 tanC)/(tanA+tanB+tanC)} give me the proof of it. ...
  0·1· #Mathematics#Co-ordinate Geometry
  asked2010-01-01 07:58:07