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Retrieving "Polar Angle" from the archives

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  1. Spatial Coordinate

    Linked via "polar angle"

    $\rho$ (rho): The radial distance from the origin to the point.
    $\phi$ (phi): The polar angle (colatitude), measured from the positive $Z$-axis. Ranges from $0$ to $\pi$.
    $\theta$ (theta): The azimuthal angle, measured in the $XY$-plane from the positive $X$-axis (longitude), identical to the $\theta$ in cylindrical coordinates.