Question 632216
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (r,\theta)\ =\ (r,\theta\ +\ 2k\pi)\ \forall\ k\ \in\ \mathbb{Z}]


but


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (x_1,y_1)\ =\ (x_2,y_2)\ \Leftrightarrow\ x_1\ =\ x_2\ \text{and}\ y_1\ =\ y_2]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
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