The unit circle is a fundamental tool in trigonometry, providing a visual representation of angles and their corresponding coordinates. Whether you’re a math enthusiast or preparing for an exam, mastering the unit circle is crucial. This quiz will test your knowledge on various aspects of the unit circle, from angle measures to trigonometric functions. Sharpen your pencils and get ready to dive into the world of radians and degrees!

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## Unit Circle Quiz Questions Overview

### 1. What is the radian measure of a 90-degree angle?

π/6

π/4

π/2

π

### 2. What are the coordinates of the point on the unit circle at an angle of 0 degrees?

(1, 0)

(0, 1)

(-1, 0)

(0, -1)

### 3. What is the sine of π/6?

1/2

√3/2

-1/2

-√3/2

### 4. What is the cosine of 180 degrees?

1

0

-1

√2/2

### 5. What is the tangent of π/4?

1

0

-1

√3

### 6. What is the radian measure of a 360-degree angle?

2π

π

3π/2

π/2

### 7. What are the coordinates of the point on the unit circle at an angle of 270 degrees?

(1, 0)

(0, 1)

(-1, 0)

(0, -1)

### 8. What is the cosine of π/3?

1/2

√3/2

-1/2

-√3/2

### 9. What is the sine of 3π/2?

1

0

-1

-√3/2

### 10. What is the tangent of 0 degrees?

1

0

-1

Undefined

We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂