Vectors A, B, and C for a triangle as shown in Figure. The angle between A and
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Vectors A, B, and C for a triangle as shown in Figure. The angle between A and B is θ, and the vectors are related by C = A - B. Compute C·C in terms of A, B, and θ, and derive the law of cosines, C2 = A2 + B2 - 2AB cos θ.
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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
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