20. a = (3,2), b = (-2, -3)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 1E
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Exercises 19-22: Find each of the following.
(a) 2a
(b) a 3b
(c) a b
(d) The angle 0 between a and b rounded to a tenth of a
degree
19. a (3,-2), b = (1, 1)
=
20. a = (3, 2), b = (-2, -3)
Transcribed Image Text:Exercises 19-22: Find each of the following. (a) 2a (b) a 3b (c) a b (d) The angle 0 between a and b rounded to a tenth of a degree 19. a (3,-2), b = (1, 1) = 20. a = (3, 2), b = (-2, -3)
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