How to use tan in JavaScript
In this article, I will explain use of tan() method in JavaScript.
JavaScript tan() Method
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tan() method of math object is used to get the tangent of a number.
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In tan() method, numeric value represents the tangent of the angle.
Syntax
Example
In the following example show to tan() method returns the tangent of numbers.
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<html>
<head>
</head>
<body>
<h3 style="color:Blue">JavaScript tan() Method Example</h3>
<script type="text/javascript">
var a = Math.tan(-30);
document.write("First Test tan Value : " + a);
var b = Math.tan(90);
document.write("<br />Second Test tan Value : " + b);
var c = Math.tan(45);
document.write("<br />Third Test tan Value : " + c);
var d = Math.tan(Math.PI / 180);
document.write("<br />Fourth Test tan Value : " + d);
</script>
</body>
</html>
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Output
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