2. Find the directions cosines of AB. a. Ā = (-1,2,3) and B = (4, –3, 1) %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 17E
icon
Related questions
Question

please answer thankyou so much

 

2. Find the directions cosines of AB.
a. Ā = (-1,2,3) and B = (4,–3, 1)
b. А %3D (1,— 2,3) and B %3D (4, 3, -1)
с. А %3D (1,2, —3) and B %3D (-4,3, 1)
d. Â = (-1,2, –3) and B = (4, –3, 1)
Transcribed Image Text:2. Find the directions cosines of AB. a. Ā = (-1,2,3) and B = (4,–3, 1) b. А %3D (1,— 2,3) and B %3D (4, 3, -1) с. А %3D (1,2, —3) and B %3D (-4,3, 1) d. Â = (-1,2, –3) and B = (4, –3, 1)
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning