What is the sine of 7π/6?
Unit Circle Practice
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Mathematics
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
-1/2
2.
FLASHCARD QUESTION
Front
What is the value of cosine at 270 degrees?
Back
0
3.
FLASHCARD QUESTION
Front
What is tan 45°?
Back
1
4.
FLASHCARD QUESTION
Front
What is the value of cosine at 315 degrees?
Back
√2 / 2
5.
FLASHCARD QUESTION
Front
What is cos 30°?
Back
√3/2
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
sin(θ) = y-coordinate, cos(θ) = x-coordinate of the point on the unit circle.
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