Maybe someone knows exactly what are the base points when displaying the whole world on the Mercator projection? For example, in OpenStreetMap or GoogleMap.
I am referring to the following points (I have also given the suggested values):
The fact is that with such base points, the aspect ratio is equal to 1.0032865959001496. This is close to a square, but it still seems to me rather inaccurate ...
Not sure I understand the exact question but the more accurate max/min latitudes are: