1. Find the angle between two vectors ā and 5 with magnitudes 3 and 2, respectively having ā-5 = J6 .

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
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1. Find the angle between two vectors ā and 5 with magnitudes 3 and 2,
respectively having ā -5 = T6 .
2. Find the angle between the vectors î – 2}+3k and 3î –2ĵ +k
3. Find the projection of the vector î – } on the vector î + } .
4. Find the projection of the vector i + 3j + 7k on the vector 7î –j+8& -
5. Show that each of the given three vectors is a unit vector:
3 +
(6î
Also, show that they are mutually perpendicular to each other.
Transcribed Image Text:1. Find the angle between two vectors ā and 5 with magnitudes 3 and 2, respectively having ā -5 = T6 . 2. Find the angle between the vectors î – 2}+3k and 3î –2ĵ +k 3. Find the projection of the vector î – } on the vector î + } . 4. Find the projection of the vector i + 3j + 7k on the vector 7î –j+8& - 5. Show that each of the given three vectors is a unit vector: 3 + (6î Also, show that they are mutually perpendicular to each other.
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