unit-circle-quiz

Unit Circle Quiz

by Alberto GoldbergPublished: November 4, 2025

Math Quiz For Students
Step into the world of trigonometry and test your knowledge of the unit circle! This quiz will challenge your understanding of angles, radians, and the relationships between sine, cosine, and tangent. Whether you’re a math enthusiast or just brushing up on your skills, this quiz is designed to engage and educate. Sharpen your pencils and get ready to prove your prowess with these intriguing questions!
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Unit Circle Quiz
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1. What is the cosine of 0 radians?
Think about the coordinates of the point on the unit circle at 0 radians.

Unit Circle Quiz Questions Overview

1. What is the cosine of 0 radians?

0
1
-1
Undefined

2. What is the sine of π/2 radians?

0
1
-1
Undefined

3. What is the tangent of π radians?

0
1
-1
Undefined

4. What is the sine of 3π/2 radians?

0
1
-1
Undefined

5. What is the cosine of π/3 radians?

1/2
√3/2
-1/2
-√3/2

6. What is the tangent of π/4 radians?

0
1
-1
Undefined

7. What is the sine of π/6 radians?

1/2
√3/2
-1/2
-√3/2

8. What is the cosine of 2π/3 radians?

1/2
-1/2
√3/2
-√3/2

9. What is the tangent of 5π/4 radians?

1
-1
0
Undefined

10. What is the sine of 7π/6 radians?

-1/2
1/2
-√3/2
√3/2

11. What is the cosine of 5π/6 radians?

-√3/2
√3/2
-1/2
1/2

12. What is the tangent of 11π/6 radians?

-1/√3
1/√3
√3
-√3

13. What is the sine of 2π radians?

0
1
-1
Undefined

14. What is the cosine of 3π/4 radians?

-√2/2
√2/2
-1/2
1/2
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