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a ) D2Q9 lattice used in 2-D geometry, ( b ) cylindrical coordinate... | Download Scientific Diagram
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Why does the volume element in spherical polar coordinates contain a sine of the zenith angle? - Mathematics Stack Exchange
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Infinitesimal hexahedron element in the cylindrical coordinate system. | Download Scientific Diagram
![Why does the volume element in spherical polar coordinates contain a sine of the zenith angle? - Mathematics Stack Exchange Why does the volume element in spherical polar coordinates contain a sine of the zenith angle? - Mathematics Stack Exchange](https://i.stack.imgur.com/IxTHG.png)