The spherical coordinate system generalises the two-dimensional polar coordinate system.
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These expressions are given in a spherical coordinate system.
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A number of different spherical coordinate systems following other conventions are used outside mathematics.
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Where we again orient the spherical coordinate system with the plane of the orbit.
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The relationship of those segments in three-dimensional space using a spherical coordinate system.
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:In spherical coordinate systems mathematicians traditionally use & theta; for elevation and & phi; for azimuth.
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Here, we have assumed a spherical coordinate system in which the-axis is aligned with the beam direction.
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Looking at Spherical coordinate system, it seems that your \ phi is your longitude, and your \ theta is 90-latitude.
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The geographic coordinate system uses the azimuth and elevation of the spherical coordinate system to express locations on Earth, calling them respectively longitude and latitude.
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Also related are Celestial coordinate system, and of course, Spherical coordinate system . talk ) 04 : 51, 23 August 2007 ( UTC)