Spherical








In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a point is specified by three numbers: the radial distance of that point from a fixed origin, its polar angle measured from a fixed zenith direction, and the azimuth angle of its orthogonal projection on a reference plane that passes through the origin and is orthogonal to the zenith, measured from a fixed reference direction on that plane… http://en.wikipedia.org/wiki/Spherical_coordinate_system



Patrocinis: reparacion maquina
  • 25 de abril de 2012   :
  •    Woman
     
  1. Very nice!
    new challenge welcome


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