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Math.atan( ) compute an arc tangent

Availability

JavaScript 1.0; JScript 1.0; ECMAScript v1

Synopsis

Math.atan(x)

Arguments

x

Any number.

Returns

The arc tangent of the specified value x. This return value is between -figs/U03C0.gif/2 and figs/U03C0.gif/2 radians.

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