Referring to Exercise 21, show that two nonzero vectors, v1 and v2, in 3-space are perpendicular if
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cos α1 cos α2 + cos β1 cos β2 + cos γ1 cos γ2 = 0
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By the results of Exercise 21 we have that if v ...View the full answer
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Related Book For
Elementary Linear Algebra with Applications
ISBN: 978-0471669593
9th edition
Authors: Howard Anton, Chris Rorres
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