The Unit Circle
Flashcard
•
Mathematics
•
11th Grade
•
Hard
Standards-aligned
Wayground Content
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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 unit centered at the origin (0,0) in the coordinate plane.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at 0°?
Back
(1, 0)
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at 90°?
Back
(0, 1)
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at 180°?
Back
(-1, 0)
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at 270°?
Back
(0, -1)
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
In which quadrants is cosθ positive?
Back
In the 1st and 4th quadrants.
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
In which quadrants is sinθ positive?
Back
In the 1st and 2nd quadrants.
Tags
CCSS.HSF.TF.A.2
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