nbcomplexe.py

Created by mathoulde1406

Created on November 09, 2023

786 Bytes


Quand un nb imaginaire est devant 
l'expo on fait une forme expo avec 
ce nb qui derange 

r = module 
O = arg 

- forme trigo 
z = r(cosO+isinO)
donc cosO= a/module sinO= b/module 

- forme expo 
z=re^iO

-forme polaire
[r,O]
"forme polaire a cartesienne"
cosO= a/module donc a=cosOxmodule
b=sinOxmodule 

- sur absicisse reel 
      ordone imagniaire 
      
- pour fraction ont mulitiplie en
haut et en bas par le conjugué du 
denominateur 

- mettre sous forme algebrique = 
partie reel ( a) et im (b )

- argument 
pr}0 :arg(z)=tan-1(pi/pr)
pr}0 pi=0: arg(8)=0 -} nul
pr{0 pi=0: arg(-8)=180° ou M
pr=0 pi}0: -} 90° ou M/2
pr=0 pi{0: -} -90° ou -M/2
pr{0 en° 180° + tan-1(pi/pr)
    en rad:M+tan-1(pi/pr)

- module
z= racine a2 + b2

- j2=-1
-conjugué: z=a-ib 

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