The Unit Circle
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Unit Circle?
Back
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 are the coordinates of the point at 0° on the Unit Circle?
Back
(1, 0)
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What are the coordinates of the point at 90° on the Unit Circle?
Back
(0, 1)
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What are the coordinates of the point at 180° on the Unit Circle?
Back
(-1, 0)
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What are the coordinates of the point at 270° on the Unit Circle?
Back
(0, -1)
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is sin θ in terms of the Unit Circle?
Back
The y-coordinate of the point on the Unit Circle corresponding to angle θ.
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What is cos θ in terms of the Unit Circle?
Back
The x-coordinate of the point on the Unit Circle corresponding to angle θ.
Tags
CCSS.HSF.TF.A.2
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