and b are two unit vectors such that + 2b and 5 a. 4 b are perpendicular to each other, then the angle between a and b is 60° to
and b are two unit vectors such that + 2b and 5 a. 4 b are perpendicular to each other, then the angle between a and b is 60° to
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Vectors In Two And Three Dimensions
Section9.4: Vectors In Three Dimensions
Problem 2E
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