$acos
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$acos
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Calculates the arccosine of a number.
Syntax
$acos(number)where
| number | a 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.
Updated
ByJason Lee
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