🌟 IB Math Master — Grades 10-12

Modulus: |z| = √(a² + b²)
Argument: arg(z) = arctan(b/a) (adjusted for quadrant)
Polar form: z = r(cosθ + i sinθ) = re^(iθ)
De Moivre's theorem: zⁿ = rⁿ(cos nθ + i sin nθ)

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