Unit Circle

Flashcard
•
Mathematics
•
10th - 11th Grade
•
Hard
Standards-aligned
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15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the value of sin 150°?
Back
1/2
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the value of cos 90°?
Back
0
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of sec 135°?
Back
-√2
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of cos 135°?
Back
-√2/2
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the definition of 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
6.
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
7.
FLASHCARD QUESTION
Front
What is the value of sin 30°?
Back
1/2
Tags
CCSS.HSF.TF.A.2
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