Unit Circle Trig Values

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is 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. It is used to define trigonometric functions.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What are the coordinates of the point at 0 degrees 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 degrees 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 degrees 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 degrees on the Unit Circle?
Back
(0, -1)
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is the sine of 30 degrees?
Back
1/2
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What is the cosine of 60 degrees?
Back
1/2
Tags
CCSS.HSF.TF.A.2
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