JavaScript Math.atan() Method
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JavaScript Math.atan() Method
The Math.atan()
method returns the arc-tangent (in radians) of a number as a value between -PI/2 and PI/2 radians.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
var result = Math.atan(2);
document.write(result);
</script>
</body>
</html>
Syntax
Math.atan(x)
Parameter Values
Value | Type | Explanation |
---|---|---|
x | Required | Specifies a number. |
Return Value
Value | Explanation |
---|---|
Number | The arc-tangent of the given number. The return value will be between -π / 2 to π / 2. The return value is represented in radians. |
NaN | If the given value is empty. |
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