# Category:Polar Coordinates

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This category contains results about Polar Coordinates.

Definitions specific to this category can be found in Definitions/Polar Coordinates.

Let $P$ be any point different from $O$.

Let a straight line $OP$ be drawn from $O$ to $P$.

### Radial Coordinate

The length of $OP$ is called the **radial coordinate** of $P$, and usually labelled $r$.

### Angular Coordinate

The angle measured anticlockwise from the polar axis to $OP$ is called the **angular coordinate** of $P$, and usually labelled $\theta$.

If the angle is measured clockwise from the polar axis to $OP$, its value is considered negative.

## Pages in category "Polar Coordinates"

The following 5 pages are in this category, out of 5 total.