Referring to Exercise 21, show that two nonzero vectors, v1 and v2, in 3-space are perpendicular if

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Referring to Exercise 21, show that two nonzero vectors, v1 and v2, in 3-space are perpendicular if and only if their direction cosines satisfy
cos α1 cos α2 + cos β1 cos β2 + cos γ1 cos γ2 = 0

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Elementary Linear Algebra with Applications

ISBN: 978-0471669593

9th edition

Authors: Howard Anton, Chris Rorres

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Question Posted: Jun 17, 2016 08:01 AM

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Referring to Exercise 21, show that two nonzero vectors, v1 and v2, in 3-space are perpendicular if

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By the results of Exercise 21 we have that if v ...View the full answer

Elementary Linear Algebra with Applications

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