Unit Circle Values
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the value of sin(π/4)?
Back
√2/2
2.
FLASHCARD QUESTION
Front
What is the value of cos(3π/2)?
Back
0
3.
FLASHCARD QUESTION
Front
What is the value of cos(5π/6)?
Back
-√3/2
4.
FLASHCARD QUESTION
Front
What is the value of cos(2π)?
Back
1
5.
FLASHCARD QUESTION
Front
What is the value of sin(π/2)?
Back
1
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.
7.
FLASHCARD QUESTION
Front
What is the relationship between the coordinates on the unit circle and trigonometric functions?
Back
The x-coordinate represents cos(θ) and the y-coordinate represents sin(θ) for an angle θ.
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