### All High School Math Resources

## Example Questions

### Example Question #15 : Graphing The Sine And Cosine Functions

In the unit circle, what is the angle in radians that corresponds to the point (0, -1)?

**Possible Answers:**

**Correct answer:**

Explanation:

On the unit circle, (0,-1) is the point that falls between the third and fourth quadrant. This corresponds to .

### Example Question #1 : Understanding Angles In The Unit Circle

What is the reference angle for ?

**Possible Answers:**

**Correct answer:**

Explanation:

To find the reference angle, subtract (1 trip around the unit circle) from the given angle until you reach an angle which is less than .

### All High School Math Resources

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