14. Two vectors, a and 6, have a common starting point with an angle of 120° between them. The vectors are such that |ā|=3 and |5|= 4. a. Calculate a+b. b. Calculate the angle between a and a+b.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter8: Applications Of Trigonometry
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14.

14. Two vectors, a and 6, have a common starting point with an angle of 120° between
them. The vectors are such that a |=3 and |5| = 4.
a.Calculate a + b.
b. Calculate the angle between a and a+b.
Transcribed Image Text:14. Two vectors, a and 6, have a common starting point with an angle of 120° between them. The vectors are such that a |=3 and |5| = 4. a.Calculate a + b. b. Calculate the angle between a and a+b.
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