Today I had an idea to proove with kyborg1 math gal in my mind the earth is a circle: https://hrubos.tech/blogy/content/images/20260813085157-sun_eclipse.jpg

To be more precise: < O > what is sin(x) if tan(5)==cos(5) then x=5 and beziers of the earth are equal, so another proof of circled earth ^^^

golden ratio: 1.618:

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