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Math.acos( ) compute an arc cosine

Availability

JavaScript 1.0; JScript 1.0; ECMAScript v1

Synopsis

Math.acos(x)

Arguments

x

A number between -1.0 and 1.0.

Returns

The arc cosine, or inverse cosine, of the specified value x. This return value is between 0 and figs/U03C0.gif radians.

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