21. An angle in standard position lies in 2nd quadrant, and the point Q on its terminal side has radius vector of 6 in. If Q is 4 in above the x-axis, what is the abscissa of Q? O -4.47 O 6 O 4.47 Cannot be Determined
21. An angle in standard position lies in 2nd quadrant, and the point Q on its terminal side has radius vector of 6 in. If Q is 4 in above the x-axis, what is the abscissa of Q? O -4.47 O 6 O 4.47 Cannot be Determined
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.2: Length And Angle: The Dot Product
Problem 2AEXP
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