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)

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Answered: 2. Find the directions cosines of AB.…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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