Math.atan() Method, Get Arctangent Number, Math Functions

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Math.atan() Method - Math Functions

Tutorials

Javascript

Topic

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

Explanation

Object: Math

Method: Math.atan()

Description: To get the arctangent value for a number using Math Functions. This function returns the value in the range of -PI/2 and PI/2 radians.

Example:
<script type="text/javascript">
document.write('Arctangent of 2 is::'+Math.atan(2));
document.write('</br>');
document.write('Arctangent of 0 is::'+Math.atan(0));
document.write('</br>');
document.write('Arctangent of -1 is::'+Math.atan(-1));
</script>

Result:

In the above example,

Math.atan() function returns value for 2 is 1.107148 radians, but for 0 it is 0.

The atan value returned for the number -1 is -0.78539.

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.