## Conformal Latitude

An Auxiliary Latitude defined by

The inverse is obtained by iterating the equation

using as the first trial. A series form is

The conformal latitude was called the Isometric Latitude by Adams (1921), but this term is now used to refer to a different quantity.

Adams, O. S. Latitude Developments Connected with Geodesy and Cartography with Tables, Including a Table for Lambert Equal-Area Meridianal Projections.'' Spec. Pub. No. 67. U. S. Coast and Geodetic Survey, pp. 18 and 84-85, 1921.