| 21. | You can learn how to plot using polar coordinates using matplotlib's polar plot demo code.
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| 22. | Note that the dot product takes nearly the familiar form since polar coordinates are orthogonal.
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| 23. | Examples include the polar coordinate system on Euclidean plane, the second important plane coordinate system.
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| 24. | This case is used to demonstrate a derivation strategy based on a polar coordinate system.
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| 25. | Supports functions with parameters and functions in polar coordinates.
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| 26. | In polar coordinates there are no such names.
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| 27. | That is, convert polar coordinates to Cartesian coordinates.
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| 28. | So, an obvious use of the vectoring mode is the transformation from rectangular to polar coordinates.
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| 29. | This is not the case for polar coordinates.
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| 30. | :Yes, express A and B in polar coordinates.
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