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asin Method

Returns the arcsine of a number.

function asin(number : Number) : Number

Arguments

number
Required. A numeric expression.

Remarks

The return value is between -pi/2 and pi/2, representing the arcsine 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

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

Applies To: Math Object

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