ATan

Description

Calculates the arctangent of an angle.

Syntax

1	ATan ( n )

Argument	Description
n	The ratio of the lengths of two sides of a triangle for which you want a corresponding angle (in radians)

Return value

Double. Returns the arctangent of n.

Examples

This statement returns 0:

ATan(0)

This statement returns 1.000 (rounded to three places):

1	ATan(1.55741)

This statement returns 1.267267 (rounded to six places):

1	ATan(Pi(1))

See also

Tan

ATan method for DataWindows in the section called “ATan” in DataWindow Reference.

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Powerbuilder Documentation 2017

August 20, 2023

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