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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

Applies To:

Math Object

See Also

Reference

acos Method

atan Method

cos Method

sin Method

tan Method

PI Property