MeanAnom2TrueLat:

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   Convert mean anomaly to true latitude. 
   True latitude, or argument of latitude, is the angle measured between the
   ascending node and the orbit position vector. This quantity is useful for 
   circular, inclined orbits where there is no periapsis from which w and M 
   can be measured.

   Since version 7.
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   Usage:
   theta = MeanAnom2TrueLat( e, w, M );
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   ------
   Inputs
   ------
   e             (1)   Eccentricity
   w             (1)   Argument of perigee  [rad]
   M            (1,:)  Mean anomaly         [rad]

   -------
   Outputs
   -------
   theta        (1,:)  True latitude        [rad]
   
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Children:

Math: Trigonometry/WrapPhase
OrbitMiniToolbox: Support/M2Nu