Description:
This method returns the tangent of a number. The tan method returns a numeric value that represents the tangent of the angle.
Syntax:
Math.tan( x ) ; |
- x: A number representing an angle in radians.
Return Value:
Returns the tangent of a number.Example:
<html>
<head>
<title>JavaScript Math tan() Method</title>
</head>
<body>
<script type="text/javascript">
var value = Math.tan( -30 );
document.write("First Test Value : " + value );
var value = Math.tan( 90 );
document.write("<br />Second Test Value : " + value );
var value = Math.tan( 45 );
document.write("<br />Third Test Value : " + value );
var value = Math.tan( Math.PI/180 );
document.write("<br />Fourth Test Value : " + value );
</script>
</body>
</html>
|
First Test Value : 1 Second Test Value : 21 Third Test Value : 20 Fourth Test Value : -20
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