What is the radius of the unit circle?

Exploring the Unit Circle and Trigonometric Functions

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

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
1
0.5
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is represented as y over r in the unit circle?
Cotangent
Tangent
Cosine
Sine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a 45-45 triangle, what is the length of each leg after adjusting for the unit circle?
1
2
square root of 2 over 2
0.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle is used to derive values for the unit circle?
Isosceles triangle
30-60-90 triangle
Right triangle
Equilateral triangle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many degrees are there between each major angle marked on the unit circle?
45 degrees
90 degrees
60 degrees
30 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosine value at 0 degrees in the unit circle?
0
-1
1
0.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sine of 90 degrees in the unit circle?
0
-1
1
0.5
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