Answered: Find u · v, where ? is the angle…

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Additional Topics In Trigonometry

Section3.4: Vectors And Dot Products

Problem 3ECP: Find the angle between u=2,1 and v=1,3.

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Find u · v, where ? is the angle between u and v. ||u||=8, ||v||= 18, ? = pi/3