Question: Let u = (a1, a2) and v = (b1, b2) be nonzero vectors in the plane, and let be the angle between them. The

Let u = (a1, a2) and v = (b1, b2) be nonzero

Let u = (a1, a2) and v = (b1, b2) be nonzero vectors in the plane, and let be the angle between them. The dot product of u and v is defined by u v = a1 b2.

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