Concept explainers
a.
To sketch: The angle in standard position.
a.
Answer to Problem 9RE
The angle in standard position:
Explanation of Solution
Given information: The given angle is
Calculation: The given angle is
The standard position of angle is:
b.
To find: The quadrant in which the angle lies.
b.
Answer to Problem 9RE
Angle lie in
Explanation of Solution
Given information: The given angle is
Calculation: The given angle is
This lie in
c.
To find: The positive and one negative coterminal angle.
c.
Answer to Problem 9RE
Coterminal angles are
Explanation of Solution
Given information: The given angle is
Calculation: The given angle is
Coterminal angles of
Second coterminal angles is
Thus, the coterminal angle is
Chapter 4 Solutions
Precalculus with Limits: A Graphing Approach
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