What is the Unit Circle?
Unit Circle
Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Unit Circle is 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
What are the coordinates of the point on the Unit Circle at 0°?
Back
(1, 0)
3.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
1
4.
FLASHCARD QUESTION
Front
What is the value of cos(90°)?
Back
0
5.
FLASHCARD QUESTION
Front
What is the value of sin(180°)?
Back
0
6.
FLASHCARD QUESTION
Front
What is the value of cos(180°)?
Back
-1
7.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the Unit Circle at 45°?
Back
(√2/2, √2/2)
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