What is the definition of a unit circle?
Unit Circle
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
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15 questions
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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
Convert 180° to radians.
Back
π radians.
4.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
1.
5.
FLASHCARD QUESTION
Front
What is the value of cos(0°)?
Back
1.
6.
FLASHCARD QUESTION
Front
What is the value of tan(45°)?
Back
1.
7.
FLASHCARD QUESTION
Front
What is the relationship between degrees and radians?
Back
180° is equivalent to π radians.
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