
Concept explainers
A coterminal angle that is between

Answer to Problem 50E
Explanation of Solution
Given information:
Calculation:
This is the angle given.
We want a coterminal angle between 0 and 360 degrees.
We need to add or subtract
By doing so we are making a full revolution, guaranteeing that our new angle is coterminal with the old.
Since we are below this range, we add,
This will be in quadrant II and it is coterminal with the original.
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