Math.cos() Method, Cosine Value, Math Functions

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Math.cos() Method - Math Functions

Tutorials

Javascript

Topic

Math.cos() method of Math Functions in Javascript.
How to get the cosine value of a number in javascript?

Explanation

Object: Math

Method: Math.cos()

Description: To get the cosine value for a number specified as radians. The function returns a value between -1 and 1 for the given number. The below example will get Cosine value for numbers 0, PI using Math Functions.

Example:
<script type="text/javascript">
document.write('Cosine of 0 is::'+Math.cos(0));
document.write('
');
document.write('Cosine of PI is::'+Math.cos(Math.PI));
</script>
Result:

In the above example,

First the cosine value of "0" is got as "1".

To get the cosine value of "PI" we have used "Math.PI" function, it returns "-1".

A Note

Javascript (JS) is one of the most used languages in the world. Some times spelled as Java Script. Hope you enjoy this tutorial. Do send your feedback or suggestions on this javascript or java script tutorial. This is a copyright content.