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Function::Mathematical

Atan2 (arctangent 2)
atan2(numerical field,numerical field)
atan2(numerical value,numerical value)
atam2(numerical field,numerical value)
atan2(field,33)
atan2(lookup relation field, 3)

The atan2 function calculates the arctangent of Value 1 divided by Value 2

The result is an angle expressed in radians between -p and p.

Parameters


Numerical values.

Returns/Result


Numerical value

Examples


Example 1

atan2(3,127)

Returns:0.02361766

Example 2

atan2(1, 1)

Returns:0.7854

Reference

atan2 (arctangent 2)

Type

Trigonometric Function

Purpose

The atan2 function calculates the arctangent of Value 1 divided by Value 2

The result is an angle expressed in radians between -p and p.

Syntax

atan2( NUMERIC VALUE 1, NUMERIC VALUE 2)

Returns

A numeric value.

Usage

The numeric value in a Trigonometric function can be a constant value (as shown below), a variable, a field value or an expression.

Examples

atan2(3,127)

Returns:0.02361766

 

atan2(1, 1)

Returns:0.7854

See Also


Atan
Asin (arcsine)
Acos (arccosine)

On the forum about Atan2 (arctangent 2)

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