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JavaScript method cos()

                         

This section illustrates you the use of JavaScript method cos(). The method cos() returns the cosine of the specified number. It returns the numeric value between -1 and 1.

Its syntax is:

Math.cos( x )

where x is any number.

 

Here is the code:

<html>
<script>
function calculate(){
var i = Math.cos(30);
document.write("The cos value of 30: " + i); 
document.write("<br>");
var j= Math.cos(90);
document.write("The cos value of 90: " + j); 
}
</script>
<body>
<h2>Use of method cos()</h2>
<button onclick="calculate()">Show Cos value</button>
</body>
</html>

Output will be displayed as:

On clicking the button, the cosine values of the specified numbers will be displayed:

Download Source Code:

 

                         

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