Mathegoras

Complex numbers › The complex plane › Argument and polar form

Polar form of a negative real number

High school · ●○○○○ 10 pts

Write the complex number −4-4 in the form r(cos⁡θ+isin⁡θ)r(\cos\theta + i\sin\theta) with r>0r > 0 and 0∘≤θ<360∘0^\circ \le \theta < 360^\circ. Find rr and θ\theta, giving θ\theta in degrees.

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polar formmodulus and argument