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The direction angle of
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Answer to Problem 17CT
Solution:
The direction angle of
Explanation of Solution
Given information:
The points,
Explanation:
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
Chapter 9 Solutions
Precalculus
Additional Math Textbook Solutions
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