Find the magnitude and direction angle of the vector v. (Round the direction angle to one decimal place.) v = −9i + 17j  magnitude is square root 370 What is direction angle and how do i find it?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 35E
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Find the magnitude and direction angle of the vector v. (Round the direction angle to one decimal place.)

v = −9i + 17
magnitude is square root 370
What is direction angle and how do i find it?
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