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Function::Mathematical

Acos (arccosine)
acos(field)
acos(numeric value)
acos(-1)
acos(0.5)
acos(myvalue+yourvalue*theirvalue)


The acos function calculates the arccosine of a numeric value. The result is an angle expressed in radians between 0 and p.

Parameters


Numeric Value between -1 via 0 to +1

Returns/Result


Numeric value.

Examples


Example 1


acos(0.5)

Result: 1.047195755

Example 2


acos(-0.8)

Result: 2.49809154

Reference

acos (arccosine)

Type

Trigonometric Function

Purpose

The acos function calculates the arccosine of a numeric value. The result is an angle expressed in radians between 0 and p.

Syntax

acos( NUMERIC VALUE)

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.

The valid range of the input value is -1 to 1 

Examples

acos( 0.5)

Returns: 1.047195755

 

acos( -0.8)

Returns: 2.49809154

See Also


On the forum about Acos (arccosine)

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