Trig - Unit Circle
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the definition of the unit circle?
Back
The unit circle is a circle with a radius of 1 centered at the origin (0,0) in the coordinate plane.
Tags
CCSS.HSF.TF.A.2
2.
FLASHCARD QUESTION
Front
What does the sine function represent in the unit circle?
Back
The sine function represents the y-coordinate of a point on the unit circle.
Tags
CCSS.HSF.TF.A.2
3.
FLASHCARD QUESTION
Front
What does the cosine function represent in the unit circle?
Back
The cosine function represents the x-coordinate of a point on the unit circle.
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the value of sin(π/2)?
Back
1
Tags
CCSS.HSF.TF.A.2
5.
FLASHCARD QUESTION
Front
What is the value of cos(0)?
Back
1
Tags
CCSS.HSF.TF.A.2
6.
FLASHCARD QUESTION
Front
What is the value of tan(π/4)?
Back
1
Tags
CCSS.HSF.TF.A.2
7.
FLASHCARD QUESTION
Front
What are the coordinates of the point at 3π/2 on the unit circle?
Back
(0, -1)
Tags
CCSS.HSF.TF.A.2
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