Unit Circle Concepts and Definitions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of the unit circle?
0.5 units
1 unit
3 units
2 units
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant are both x and y values positive?
Fourth quadrant
First quadrant
Second quadrant
Third quadrant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the hypotenuse of the right-angle triangle formed in the unit circle?
x
theta
y
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is sine theta defined in the context of the unit circle?
Hypotenuse
Adjacent side
y-coordinate
x-coordinate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the coordinates of the point on the unit circle when theta is 0 degrees?
(0, 0)
(1, 0)
(1, 1)
(0, 1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the coordinates of the point on the unit circle when theta is 90 degrees?
(0, 0)
(1, 1)
(1, 0)
(0, 1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the new definition of sine in terms of the unit circle?
Angle
Radius
y-coordinate
x-coordinate
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