Let v and w be nonzero vectors and set u = e v + e w .
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Let v and w be nonzero vectors and set u = ev + ew. Use the dot product to show that the angle between u and v is equal to the angle between u and w. Explain this result geometrically with a diagram.
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We denote by a the angle between u and v and by B the angl...View the full answer
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