
Exploring the Unit Circle Fundamentals

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of the unit circle?
3
0.5
2
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard equation of the unit circle?
x^2 + y^2 = 1
x^2 - y^2 = 1
x^2 + y^2 = 0
x^2 + y = 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From which point should you always start when using the unit circle?
(0,1)
(0,-1)
(1,0)
(-1,0)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction does a positive angle measurement move on the unit circle?
Clockwise
Counterclockwise
Upwards
Downwards
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: In the unit circle, the ordered pairs are represented as (cosine of the angle, sine of the angle).
None of the above
Sometimes
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At 0 degrees, what is the cosine value in the unit circle?
0.5
-1
0
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the coordinate (0,1) represent at 90 degrees in the unit circle?
Tangent of 90
Cotangent of 90
Sine of 90
Cosine of 90
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