Given v=4i+j and w=i+4j (a) find the dot product v. w; (b) find the angle between v and w. (a) v.w= (Simplify your answer.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 3E
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Given v = 4i + j and w = i +4j
(a) find the dot product v. w;
(b) find the angle between v and w.
(a) v•w=
(Simplify your answer.)
Transcribed Image Text:Given v = 4i + j and w = i +4j (a) find the dot product v. w; (b) find the angle between v and w. (a) v•w= (Simplify your answer.)
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