What is the definition of the Unit Circle?
The Unit Circle
Flashcard
•
Mathematics
•
9th - 12th 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 is the value of cos(0°)?
Back
1
3.
FLASHCARD QUESTION
Front
What is the value of sin(0°)?
Back
0
4.
FLASHCARD QUESTION
Front
What is the value of cos(90°)?
Back
0
5.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
1
6.
FLASHCARD QUESTION
Front
What is the value of cos(180°)?
Back
-1
7.
FLASHCARD QUESTION
Front
What is the value of sin(180°)?
Back
0
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