# High School Math : Trigonometry

## Example Questions

### Example Question #41 : Trigonometry

How many radians are in ?

Explanation:

Since there are  radians for every , we can set up a proportion to solve.

Cross multiply.

Divide both sides by .

### Example Question #1 : Understanding Radians And Conversions

How many radians are in ?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Isolate :

### Example Question #1 : Understanding Radians And Conversions

How many degrees are in  radians?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Divide both sides by :

### Example Question #2 : Understanding Radians And Conversions

How many degrees are in  radians?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Notice that the 's cancel out:

### Example Question #1771 : High School Math

How many degrees are in  radians?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Notice that the 's cancel out:

### Example Question #1771 : High School Math

How many degrees are in  radians?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Notice that the 's cancel out:

### Example Question #41 : Trigonometry

How many degrees are in  radians?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Notice that the 's cancel out:

### Example Question #1771 : High School Math

How many radians are in ?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Isolate :

### Example Question #11 : Understanding Radians And Conversions

How many radians are in ?

Explanation:

The conversion for radians is , so we can make a ratio:

Cross multiply:

Isolate :

### Example Question #1772 : High School Math

How many radians are in ?