Unit Circle Practice (11.4)
Flashcard
•
Mathematics
•
11th Grade
•
Hard
Standards-aligned
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the value of cos(30°)?
Back
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the value of sin(0°)?
Back
0
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of sin(5π/3)?
Back
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of cos(0°)?
Back
1
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the value of sin(3π/2)?
Back
-1
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
Define 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
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles and coordinates on the unit circle?
Back
The x-coordinate represents cos(θ) and the y-coordinate represents sin(θ) for an angle θ.
Tags
CCSS.HSF.TF.A.2
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