The Unit Circle
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of the Unit Circle?
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.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the value of cos(0°)?
Back
1
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of sin(0°)?
Back
0
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of cos(90°)?
Back
0
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the value of sin(90°)?
Back
1
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is the value of cos(180°)?
Back
-1
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What is the value of sin(180°)?
Back
0
Tags
CCSS.HSF.TF.A.2
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