Tag: Complex plane

• Complex Numbers and the Complex Plane: Why Imaginary Numbers Became Necessary, and Why They Are RotationsFrom the cubic equations that made imaginary numbers unavoidable to the complex field, Euler's formula, De Moivre's theorem, the n-th roots of unity, and the topology of domains.MathematicsComplex AnalysisUndergraduateComplex numbersComplex planeEuler's formulaDe Moivre's theoremDomains~29 min