UNIT CIRCLE
Flashcard
•
Mathematics
•
10th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of cosine at 0 degrees?
Back
1
2.
FLASHCARD QUESTION
Front
What is the value of cosine at 135 degrees?
Back
-√2 /2
3.
FLASHCARD QUESTION
Front
What is the value of sine at 30 degrees?
Back
1/2
4.
FLASHCARD QUESTION
Front
What is the value of sine at 150 degrees?
Back
1/2
5.
FLASHCARD QUESTION
Front
What is the value of sine at 330 degrees?
Back
-1/2
6.
FLASHCARD QUESTION
Front
Define the unit circle.
Back
A circle with a radius of 1 centered at the origin of a coordinate plane.
7.
FLASHCARD QUESTION
Front
What is the relationship between sine and cosine on the unit circle?
Back
Sine corresponds to the y-coordinate and cosine corresponds to the x-coordinate of a point on the unit circle.
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