Concept explainers
The
Answer to Problem 18CT
Solution:
The vector
Explanation of Solution
Given information:
The points are
Consider the points
Suppose that
Here,
Let
The figure shows the vector
The direction angle of the vector
Since
By simplifying right side,
Since
Therefore, the direction angle of
Now vector
Therefore, the vector
Chapter 9 Solutions
Precalculus Enhanced with Graphing Utilities
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Glencoe Math Accelerated, Student Edition
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