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

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

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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need an explanation on question 20

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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