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JavaScript: The Definitive Guide

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Math.asin() Function

Name

Math.asin() Function---compute an arc sine

Availability

Navigator 2.0, Internet Explorer 3.0

Synopsis

Math.asin(x)

Arguments

x

A number or numeric expression between -1.0 and 1.0.

Returns

The arc sine, in radians, of the specified value x.

Description

Math.asin() computes and returns the arc sine, or inverse sine of its argument. The argument must be a value between -1.0 and 1.0. The return value is between -pi/2 and pi/2 radians.

See Also

"Math", "Math.acos()", "Math.atan()", "Math.sin()"


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