Figure 2.1.8 The usual Cartesian coordinate system, defined by the vectors \(\evec_1\) and \(\evec_2\text{,}\) is shown on the left along with the representation of the point \((2,-3)\text{.}\) The right shows a nonstandard coordinate system defined by vectors \(\vvec_1\) and \(\vvec_2\text{.}\)
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