mathsdazdadadad.py

Created by maxancerochart9

Created on December 02, 2020

699 Bytes

Propriete 1:
  Si A(xa ya)et B(xb yb) alors
  AB (xb-xa)
     (yb-ya)
     
Propriete 2:
  si u (x)  alors !!u!!= recine x au carré plus y au carre
       (y)
       
Propriété 3:
  Pour calculer U.V =AB*AC*COS angle BAC
 
Propriete 4:
  Si AB et AC sont colineair de meme sens
  Alors AB.AC=AB*AC
  Et si il sont colineair de sens contraire
  AB.AC= -AB.AC

Propriete 5:
  Soit 2 point ABC non aligné notons H le projeter
  orthogonal de C sur AB
 
Propriete 7:
  U.(V.W)= U.V+U.W

Propriete 8:
 
Si U(x)   V(x")
    (y)    (y")
U.V= xx"+yy"

Proprirte 9:
  (U+V)au carre = U au carre
  + 2 U.V + V au carre
 
  U.V= 1/2 (!!U+V!!au carre
  -!!U!!au carre-!!V!!au carre)

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