Find the cosine of the angle between a and b and make a sketch. a. a =

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Find the cosine of the angle between a and b and make a sketch.
a. a = (1, -3), b = (-1, 2)
b. a = (-1, -2), b = (6, 0)
c. a = (2, -1), b = (-2, -4)
d. a = (4, -7), b = (-8, 10)

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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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Question Posted: Jun 21, 2016 10:54 AM

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Find the cosine of the angle between a and b and make a sketch. a. a =

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