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Given the points: A=(-2,5,1), B=(-4,7,-2), C =(-3,5,3) and let a = AB, b = BC. The angle between vector a and vector b, to
Given the points: A=(-2,5,1), B=(-4,7,-2), C =(-3,5,3) and let a = AB, b = BC. The angle between vector a and vector b, to the nearest degree, is equal to: ? Formulae: If P(x1, y1, 21) and Q(x2, 32, 22) then PQ = (x2-x1, Y2 - Y1, 22-21). a.b a b cos 0: .
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Vector Mechanics For Engineers Statics
Authors: R.C.Hibbeler
7th Edition
978-0072931105, 0072931108
