Definition:Spherical Coordinate System/Horizontal Axis
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Definition
Having identified the polar axis of a spherical coordinate system, one then selects a distinct horizontal straight line, also passing through the origin $O$, perpendicular to the polar axis
This horizontal straight line is referred to as the horizontal axis.
Also see
- Results about spherical coordinates can be found here.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): spherical coordinate system
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): spherical coordinate system