What is a unit circle?
Unit Circle
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•
Mathematics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A unit circle is a circle with a radius of 1, centered at the origin (0,0) in the coordinate plane.
2.
FLASHCARD QUESTION
Front
What is the radius of a unit circle?
Back
1
3.
FLASHCARD QUESTION
Front
What are the coordinates of 0° on the unit circle?
Back
(1, 0)
4.
FLASHCARD QUESTION
Front
What are the coordinates of 90° on the unit circle?
Back
(0, 1)
5.
FLASHCARD QUESTION
Front
What are the coordinates of 180° on the unit circle?
Back
(-1, 0)
6.
FLASHCARD QUESTION
Front
What are the coordinates of 270° on the unit circle?
Back
(0, -1)
7.
FLASHCARD QUESTION
Front
What is the sine of 0°?
Back
0
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