atan2 function

Syntax

float atan2(y, x)

Parameters

• y, x (float)

Returns

The principal arc tangent of y/x, in the interval [-180, 180] degrees.

Description

The atan2 function calculates the principal value of the arc tangent of y/x, using the signs of both arguments to determine the quadrant of the return value.

Related

• acos function
• asin function
• atan function
• cos function
• sin function
• tan function

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