11. Find the measure of the angle between vector < 2, 2, -1 > and < 1,0,−1 > in both radians and degrees.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 31E
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10. Given two points A = (1,2,3) and B = (-1,0, 4), find the unit vectors
which are parallel to the line pass through A and B.
11. Find the measure of the angle between vector < 2, 2, -1 > and < 1, 0, -1 >
in both radians and degrees.
12. Given three points A = (1, 2, 3), B = (1, -1,0) and C = (2,2,5). Find the
area of the triangle AABC.
Transcribed Image Text:10. Given two points A = (1,2,3) and B = (-1,0, 4), find the unit vectors which are parallel to the line pass through A and B. 11. Find the measure of the angle between vector < 2, 2, -1 > and < 1, 0, -1 > in both radians and degrees. 12. Given three points A = (1, 2, 3), B = (1, -1,0) and C = (2,2,5). Find the area of the triangle AABC.
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