![]() ![]() The plane can be defined by a bivector (see directed area box on right of this page). Any rotation can be represented by projecting the object onto a 2-dimentional plane and then rotating it through an angle. Rotations in a higher number of dimensions get more complicated. Rotations in two dimensions are relatively easy, we can represent the rotation angle by a single scalar quantity, rotations can be combined by adding and subtracting the angles. You can specify the position of a point using polarĬoordinates, this is covered separately from the topic of rotations.
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