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1.5: Coordenadas polares
https://espanol.libretexts.org/Matematicas/Analisis/Variables_complejas_con_aplicaciones_(Orloff)/01%3A_%C3%81lgebra_Compleja_y_Plano_Complejo/1.05%3A_Coordenadas_polares
\(\begin{array} {ccll} {z = a + bi} & {r} & {\theta} & { } \\ {1} & {1} & {0, 2\pi , 4\pi , ...} & {\text{Argument = 0, means}\, z \,\text{is along the } x\text{-axis}} \\ {i} & {1} & {\pi /2, \pi /2 ... $\begin{array} {ccll} {z = a + bi} & {r} & {\theta} & { } \\ {1} & {1} & {0, 2\pi , 4\pi , ...} & {\text{Argument = 0, means}\, z \,\text{is along the } x\text{-axis}} \\ {i} & {1} & {\pi /2, \pi /2 + 2\pi ...} & {\text{Argument = } \pi /2, \text{ means}\, z \,\text{is along the } y\text{-axis}} \\ {1 + i} & {\sqrt{2}} & {\pi /4 , \pi /4 + 2\pi ...} & {\text{Argument = } \pi /4, \text{ means}\, z \,\text{is along the ray at } 45^{\circ} \text{to the } x\text{-axis}} \end{array}$

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