Talkwards
Advancing Talkwards…
Jan 08 2010
links for 2010-01-07
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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 elevation angle measured from a fixed plane, and the azimuth angle of its orthogonal projection on that plane, measured from a fixed reference direction on the same. The elevation angle is often replaced by the inclination angle measured from a zenith direction perpendicular to the reference plane.
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KirkIt is one of our most important laws that none of us may interfere with the affairs of others.