matex.py

Created on February 04, 2025

593 Bytes

       ->
affixe AB = zB - zA 
affixe milieu [AB] = zA + zB /2

|z| = racine(x^2 + z^2)

AB = |zB - zA|

forme trigo :
  
z = |z|(cos 0 + isin 0)
cos 0 = Re(z)/|z|
sin 0 = Im(z)/|z|

|z| toujours positif !!

Déterminer l’ensemble des points 
M d’affixe z du plan complexe tq
|z-4|= 2
ssi |zM - zA| = 2 
ssi AM = 2 
ssi M e C (A;2)

tableau trigo : 
        cos       sin
      
pi/6    V3/2      1/2
pi/4    V2/2      V2/2
pi/3    1/2       V3/2
2pi/3   -1/2      V3/2
3pi/4   -V2/2     V2/2
5pi/6   -V3/2     1/2

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matex.py