Unit Circle
Flashcard
•
Mathematics
•
10th Grade
•
Hard
Standards-aligned
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16 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 of a coordinate plane, used to define trigonometric functions.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
In which quadrants is cosθ positive?
Back
In the 1st and 4th quadrants.
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of cos(300°)?
Back
1/2.
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of sin(7π/6)?
Back
-1/2.
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the value of sin(π/4)?
Back
√2/2.
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is the value of cos(30°)?
Back
√3/2.
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the Unit Circle at 0 radians?
Back
(1, 0).
Tags
CCSS.HSF.TF.A.2
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