JavaScript acos

Return the arc cosine of the number in radians

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function acos (arg) {
    // Return the arc cosine of the number in radians  
    // 
    // version: 909.322
    // discuss at: http://phpjs.org/functions/acos    // +   original by: Onno Marsman
    // *     example 1: acos(0.3);
    // *     returns 1: 1.2661036727794992
    return Math.acos(arg);
}

Examples

Running

1

acos(0.3);

Should return

1

1.2661036727794992

Dependencies

No dependencies, you can use this function standalone.

Open syntax issues

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Authors

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

• Onno Marsman ( original )

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