Question 17 Let A and B be points with position vectors u and v such that [u] = 6, |v| = 8 and u v= 24. (a) Show that cos 13 2 (b) Find |AB|
Question 17 Let A and B be points with position vectors u and v such that [u] = 6, |v| = 8 and u v= 24. (a) Show that cos 13 2 (b) Find |AB|
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 12E
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Transcribed Image Text:Question 17
Let A and B be points with position vectors u and v such that |u| = 6, |v| = 8
and u v
wwwwww
24.
1
(a) Show that cos
2
(b) Find |AB|
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