This documentation is archived and is not being maintained.

acos Method

Returns the arccosine of a number.

function acos( number : Number ) : Number

Arguments

number
Required. A numeric expression.

Remarks

The return value is between 0 and pi, representing the arccosine of the number argument. If number is less than -1 or number is greater than +1, the return value is NaN.

Requirements

Version 1

See Also

asin Method | atan Method | cos Method | sin Method | tan Method | PI Property

Applies To: Math Object

Show: