Unit Circle
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
Used 2+ times
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16 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 are the coordinates of the point at an angle of 0 radians 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 an angle of π/2 radians 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 an angle of π radians 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 an angle of 3π/2 radians on the Unit Circle?
Back
(0, -1)
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is the sine of an angle in the Unit Circle?
Back
The sine of an angle is the y-coordinate of the corresponding point on the Unit Circle.
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What is the cosine of an angle in the Unit Circle?
Back
The cosine of an angle is the x-coordinate of the corresponding point on the Unit Circle.
Tags
CCSS.HSF.TF.A.2
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