Use the definition of scalar product, a b = ab cos , and the fact that

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Use the definition of scalar product, a ∙ b = ab cos θ, and the fact that a ∙ b = axbx + ayby + azbz to calculate the angle between the two vectors given by a = 3.0i + 3.0j + 3.0k and b = 2.0i + 1.0j + 3.0k.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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