Unit Circle Trig
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of sin(π/2)?
Back
1
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the angle measure, in degrees, at the red marking on the unit circle?
Back
45°
Tags
CCSS.8.G.A.5
3.
FLASHCARD QUESTION
Front
What is the value of cos(π/4)?
Back
√2/2
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of cos(π)?
Back
-1
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
Find cos(600°).
Back
-1/2
Tags
CCSS.HSF.TF.A.4
6.
FLASHCARD QUESTION
Front
Define the unit circle.
Back
A circle with a radius of 1 centered at the origin of a coordinate plane.
Tags
CCSS.HSF.TF.A.2
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.
Tags
CCSS.HSF.TF.A.2
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