# darctan2

## Calculates arctan(y/x) and returns an angle in
the correct quadrant.

**Syntax:**

darctan2(y, x);

Argument |
Description |

y |
The y coordinate to calculate. |

x |
The x coordinate to calculate. |

**Returns:** Real

### Description

This function returns the inverse tangent of an angle y/x, where
y = Opposite side of triangle and x = Adjacent side of triangle.
Unlike darctan(x) the function darctan2(y, x) is valid for all
angles and so may be used to convert a vector to an angle without
risking division by zero, and it also returns a result in the
correct quadrant.

**NOTE:** The value returned is in degrees, not
radians.

**Example:**

val = darctan2(1, 1);

This will set "val" to the correct angle.

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