Find the following for the vectors u = 6i – 5j + 7k and v = - 6i + 5j - 7 k. a. v•u, v|, and u b. the cosine of the angle between v and u c. the scalar component of u in the direction of v d. the vector proj,u

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
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Find the following for the vectors u = 6i – 5j + 7k and v = - 6i + 5j - 7k.
a. v•u, v|, and u
b. the cosine of the angle between v and u
c. the scalar component of u in the direction of v
d. the vector proj,u
v•u=
(Simplify your answer.)
Transcribed Image Text:Find the following for the vectors u = 6i – 5j + 7k and v = - 6i + 5j - 7k. a. v•u, v|, and u b. the cosine of the angle between v and u c. the scalar component of u in the direction of v d. the vector proj,u v•u= (Simplify your answer.)
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