$acos

$acos

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$acos

Calculates the arccosine of a number.

Syntax

$acos(number)

where

numbera number, or an expression that evaluates to a number

Return Value

Number, with the same number of decimal places as number.

Comments

Use $acos to calculate the arccosine (in radians) of a number. The value returned by this function has the same number of decimal places as number. The absolute value of the number must be between 0 and 1.

Example

let vAngle[3] = $acos(0.500)

The preceding command sets the third element of array variable vAngle to 1.047.

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