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Example Questions
Example Question #53 : The Unit Circle And Radians
In the unit circle, what is the angle in radians that corresponds to the point (0, -1)?
Possible Answers:
Correct answer:
Explanation:
On the unit circle, (0,-1) is the point that falls between the third and fourth quadrant. This corresponds to .
Example Question #56 : The Unit Circle And Radians
What is the reference angle for ?
Possible Answers:
Correct answer:
Explanation:
To find the reference angle, subtract (1 trip around the unit circle) from the given angle until you reach an angle which is less than .
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