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Polar
The math word "polar" is described in the pages listed below. If you not find what you need, you can also search the web for other definitions.
We can use integrals to find the area enclosed by a polar curve. Here, we use sectors of circles instead of rectangles to calculate the area. Interactive calculus applet.
Curves can be defined using polar equations, this page explores the derivatives of equations written this way. Interactive calculus applet.
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