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formules_produits_scalaires.py

Created by guilhemrf

Created on February 04, 2024

304 Bytes

AB-> . AC-> = AB x AC x cos(BÂC) AB-> . AC-> = 1/2(AB2+ AC2- BC2) Al-Kashi: a2= b2+ c2 - 2bc cos(Â) cos(Â)= (b2 + c2 - a2)/ 2bc OA-> . OB-> = OA-> . OH-> (H = projeté orthogonal de B sur (OA))

print "
AB-> . AC-> = AB x AC x cos(BÂC)
AB-> . AC-> = 1/2(AB2+ AC2- BC2)
Al-Kashi: a2= b2+ c2 - 2bc cos(Â)
cos(Â)= (b2 + c2 - a2)/ 2bc
OA-> . OB-> = OA-> . OH-> (H = projeté orthogonal de B sur (OA))
MA-> . MB-> = 0 : M est le cercle de centre de diamètre [AB]
"

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