Unit circle and exact values

Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
Standards-aligned
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13 questions
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1.
FLASHCARD QUESTION
Front
What is the value of cos(π)?
Back
-1
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What is the value of cos(3π/2)?
Back
0
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What is the value of tan(0)?
Back
0
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
In which quadrants is cos(θ) positive?
Back
The 1st and 4th quadrants.
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
In which quadrants is tan(θ) positive?
Back
The 1st and 3rd quadrants.
Tags
CCSS.HSF.TF.A.2
6.
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
7.
FLASHCARD QUESTION
Front
What are the coordinates of the point at angle π/2 on the unit circle?
Back
(0, 1)
Tags
CCSS.HSF.TF.A.2
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