For Exercises 66–68, find the indicated value. a. v. w b. v. v 66. v = (12, 8), w = (-3, –5) 1 8 3 67. v = -i+ 2 3j, w = -8i - %3D 68. v = - 14i + j, w = 80i 30j
For Exercises 66–68, find the indicated value. a. v. w b. v. v 66. v = (12, 8), w = (-3, –5) 1 8 3 67. v = -i+ 2 3j, w = -8i - %3D 68. v = - 14i + j, w = 80i 30j
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 41E
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