Thread: another polar expression proplem

caretesian coordinates: (-3,4)

polar coordinates: (5 , pi + arctan ( - 4/3))

Could somebody explain to me step by step how the angle, pi + arctan ( - 4/3), was determined from the cartesian coordinates?

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[tex][\math]

There. So... how do we find the angle?

read this article:

Polar coordinate system - Wikipedia, the free encyclopedia