Anonymous ID: d55adc Jan. 25, 2020, 6:02 p.m. No.7915389   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun

Fourier calculations are the way to understand that the unit circle is a sphere.

dude knew that it was not 2D and figured a way to do it in math if he could not graph it.