Question: A two-dimensional vector in a Cartesian plane can be represented in either rectangular coordinates (x,y) or the polar coordinates (r,u), as shown in Figure 2.22.

A two-dimensional vector in a Cartesian plane can be represented in either rectangular coordinates (x,y) or the polar coordinates (r,u), as shown in Figure 2.22. The relationships among these two sets of coordinates are given by the following equations:

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