Find the following for the vectors v=8i - 2k and u=i+j+ k. a. v•u, |v|, |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 a. v u = (Type an exact answer, using radicals as needed.)

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 v = 8i - 2k and u = i +j+ k.
a. v•u, |v|, |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
a. v. u=
(Type an exact answer, using radicals as needed.)
Transcribed Image Text:Find the following for the vectors v = 8i - 2k and u = i +j+ k. a. v•u, |v|, |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 a. v. u= (Type an exact answer, using radicals as needed.)
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