Given the vector ủ = (2,0,1) (a) Solve for the value of a so that ū and i = (a, 2, a) form a 60 degree angle. (b) Find a vector of magnitude 2 in the direction of ū – w, where w = (3,1, –2)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 44E
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Given the vector ū = (2,0,1)
(a) Solve for the value of a so that ỉ and i = (a, 2, a) form a 60 degree angle.
(b) Find a vector of magnitude 2 in the direction of u – w, where w = (3,1, – 2)
Transcribed Image Text:Given the vector ū = (2,0,1) (a) Solve for the value of a so that ỉ and i = (a, 2, a) form a 60 degree angle. (b) Find a vector of magnitude 2 in the direction of u – w, where w = (3,1, – 2)
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