21 Two vectors, 2a + b and a - 36, are perpendicular. Determine the angle between a and b, if jā| = 2||]. Justify all steps and use proper notation.
21 Two vectors, 2a + b and a - 36, are perpendicular. Determine the angle between a and b, if jā| = 2||]. Justify all steps and use proper notation.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 14E
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