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In Exercises 19 through 22, find the direction cosines of the vector V(P,P2) and check the answers b sum of their squares is 1. 19. P,(3, –1,-4); P2(7,2, 4) 20. P,(1, 3, 5); P:(2,–1, 4) 21. P,(4, -3, –1); P;(-2,-4,-8) 22. P,(-2, 6, 5); P2(2, 4, 1)

In Exercises 19 through 22, find the direction cosines of the vector V(P,P2) and check the answers b sum of their squares is 1. 19. P,(3, –1,-4); P2(7,2, 4) 20. P,(1, 3, 5); P:(2,–1, 4) 21. P,(4, -3, –1); P;(-2,-4,-8) 22. P,(-2, 6, 5); P2(2, 4, 1)

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section: Chapter Questions
Problem 14T
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In Exercises 19 through 22, find the direction cosines of the vector V(P,P2) and check the answers b sum of their squares is 1. 19. P,(3, –1,-4); P2(7,2, 4) 20. P,(1, 3, 5); P:(2,–1, 4) 21. P,(4, -3, –1); P;(-2,-4,-8) 22. P,(-2, 6, 5); P2(2, 4, 1)
Transcribed Image Text:In Exercises 19 through 22, find the direction cosines of the vector V(P,P2) and check the answers b sum of their squares is 1. 19. P,(3, –1,-4); P2(7,2, 4) 20. P,(1, 3, 5); P:(2,–1, 4) 21. P,(4, -3, –1); P;(-2,-4,-8) 22. P,(-2, 6, 5); P2(2, 4, 1)
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