JavaScript atan

Returns the arc tangent of the number in radians

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function atan (arg) {
    // Returns the arc tangent of the number in radians  
    // 
    // version: 909.322
    // discuss at: http://phpjs.org/functions/atan    // +   original by: Onno Marsman
    // *     example 1: atan(8723321.4);
    // *     returns 1: 1.5707962121596615
    return Math.atan(arg);
}

Examples

Running

1

atan(8723321.4);

Should return

1

1.5707962121596615

Dependencies

No dependencies, you can use this function standalone.

Open syntax issues

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Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.

Authors

Thanks to the following developers, you get to have atan goodness in JavaScript.

• Onno Marsman ( original )

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