# High School Math : Understanding Polar Coordinates

## Example Questions

### Example Question #1 : Polar

The polar coordinates of a point are . Give its -coordinate in the rectangular coordinate system (nearest hundredth).

Explanation:

Given the polar coordinates , the  -coordinate is  .  We can find this coordinate by substituting :

### Example Question #2 : Polar

The polar coordinates of a point are . Give its -coordinate in the rectangular coordinate system (nearest hundredth).

Explanation:

Given the polar coordinates , the  -coordinate is  . We can find this coordinate by substituting :

### Example Question #3 : Understanding Polar Coordinates

The polar coordinates of a point are . Give its -coordinate in the rectangular coordinate system (nearest hundredth).

Explanation:

Given the polar coordinates , the  -coordinate is  . We can find this coordinate by substituting :

### Example Question #3 : Polar

The polar coordinates of a point are . Give its -coordinate in the rectangular coordinate system (nearest hundredth).