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1 janv. 300 - Ptolemy - not general Ptolemy of Alexander the great - wrote "Almagest" --> The Great Book - we only have copies in Arabic - is about astronomy - used early version of trigonometry His universe was GEOCENTRIC and the orbits were CIRCLES

Ajouté au bande de temps:

MATH 338

ByMat
12 nov. 2019
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Date:

1 janv. 300
Maintenaint
~ Il y a 1726 ans
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