What is the definition of the unit circle?
Unit Circle Trig
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The unit circle is a circle with a radius of 1 centered at the origin (0,0) in the coordinate plane.
2.
FLASHCARD QUESTION
Front
What are the coordinates of the point on the unit circle at 0 degrees?
Back
(1, 0)
3.
FLASHCARD QUESTION
Front
What is the value of sin(90 degrees)?
Back
1
4.
FLASHCARD QUESTION
Front
What is the value of cos(90 degrees)?
Back
0
5.
FLASHCARD QUESTION
Front
What is the value of tan(90 degrees)?
Back
Undefined
6.
FLASHCARD QUESTION
Front
What is the relationship between the angles in degrees and radians?
Back
180 degrees is equivalent to π radians.
7.
FLASHCARD QUESTION
Front
What is the value of cos(60 degrees)?
Back
1/2
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