16. а — - (V3, 1), ь %3 (0, 5) b = (0, 5)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 17E
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 16) Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.)

15–18 Find the angle between the vectors. (First find an exact
expression and then approximate to the nearest degree.)
15. a = (-8, 6), b=(/7,3)
16. a = (/3, 1), b
= (0, 5)
17. a = j+ k, b =i+ 2j – 3k
||
%D
18. а — і + 2j — 2k, b %3 4i — 3k
Transcribed Image Text:15–18 Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.) 15. a = (-8, 6), b=(/7,3) 16. a = (/3, 1), b = (0, 5) 17. a = j+ k, b =i+ 2j – 3k || %D 18. а — і + 2j — 2k, b %3 4i — 3k
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