Transformation d'écriture 1

On veut déterminer la forme trigonométrique du nombre complexe z=−72−72ı.

  1. Calculer son module: .
  2. Donner son argument principal (appartenant à ] π;π]): .
    Taper pi pour pi.
  3. En déduire la forme trigonométrique de z:
    = ( ) ( ))

Do you confirm?

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