JavaScript cos

Returns the cosine of the number in radians

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function cos (arg) {
    // Returns the cosine of the number in radians  
    // 
    // version: 909.322
    // discuss at: http://phpjs.org/functions/cos    // +   original by: Onno Marsman
    // *     example 1: cos(8723321.4);
    // *     returns 1: -0.18127180117607017
    return Math.cos(arg);
}

Examples

Running

1

cos(8723321.4);

Should return

1

-0.18127180117607017

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 cos goodness in JavaScript.

• Onno Marsman ( original )

Comments

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Use:

[CODE]
your_stuff('here');
[/CODE]

for proper code formatting
By submitting code here you are allowing us to use it in php.js hence dual licensing it under the MIT and GPL licenses

Kevin van Zonneveld
13 Oct '08

  @ Christian Doebler: Thank you. I've added the function for study purposes. Because I think this implementation will lock up the browser, resulting in an unpleasant user experience. If you feel differently, please let me know.

Christian Doebler
11 Oct '08

  function sleep (seconds) {
seconds *= 1000;
var start = new Date().getTime();
while (new Date().getTime() < start + seconds);
}

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