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1. Let P₁(0,0,1), P₂(1, 1, 0) and P3(0,1,1) be three points in R³. Evaluate cos / P₂P₁P3, where /P₂P₁P3 denotes the angle between P₁ P₂ and P₁P3. (a) 1 (b) √3 (c) √3 (d) // (e) 3

1. Let P₁(0,0,1), P₂(1, 1, 0) and P3(0,1,1) be three points in R³. Evaluate cos / P₂P₁P3, where /P₂P₁P3 denotes the angle between P₁ P₂ and P₁P3. (a) 1 (b) √3 (c) √3 (d) // (e) 3

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. Let P₁(0, 0, 1), P₂(1, 1,0) and P3(0, 1, 1) be three points in R³. Evaluate cos / P₂ P₁P3, where /P₂P₁P3 denotes the angle between P₁ P₂ and P₁P3. (a) 1 (b) √3 (c) √3 (d) 1/1/ (e) 3
Transcribed Image Text:1. Let P₁(0, 0, 1), P₂(1, 1,0) and P3(0, 1, 1) be three points in R³. Evaluate cos / P₂ P₁P3, where /P₂P₁P3 denotes the angle between P₁ P₂ and P₁P3. (a) 1 (b) √3 (c) √3 (d) 1/1/ (e) 3
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