To describe: The difference between an angle with a positive measure and an angle with a negative measure.
Explanation of Solution
Given information: An angle with a positive measure and an angle with a negative measure
Calculation:
An angle in standard position has one of its rays aligned on the x -axis pointing to the right in the positive direction.
Think of making an angle as taking another ray on top of this first one and moving it up or down to form an angle with the first one.
Kind of like moving the minute hand of a clock clockwise or counter-clockwise. If the second ray moves up (counter-clockwise) you create a positive angle, if the second ray is moved down (clockwise) you create a negative angle.
The positive or negative has to do with which direction you move.
Chapter 5 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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