Unit Circle Practice
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the unit circle?
Back
A circle with a radius of 1 centered at the origin (0,0) in the coordinate plane, used to define trigonometric functions.
2.
FLASHCARD QUESTION
Front
How do we determine using the unit circle?
Back
The ratio of the y-coordinate to the x-coordinate (y/x).
3.
FLASHCARD QUESTION
Front
Which angle measure corresponds to the ordered pair ?
Back
(or 360 degrees).
4.
FLASHCARD QUESTION
Front
What can we do if the angle is too large or too small?
Back
Find a coterminal angle by adding or subtracting a full rotation (2π or 360 degrees).
5.
FLASHCARD QUESTION
Front
How do we determine using the unit circle?
Back
The x-coordinate of the point on the unit circle.
6.
FLASHCARD QUESTION
Front
What is the cosine of ?
Back
.
7.
FLASHCARD QUESTION
Front
What is the sine of ?
Back
.
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