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JavaScript tan() Method
Example
Return the tangent of a number (angle):
Math.tan(90);
The result will be:
-1.995200412208242
Try it yourself »
Definition and Usage
The tan() method returns a number that represents the tangent of an angle.
Browser Support
The tan() method is supported in all major browsers.
Syntax
Math.tan(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. A number representing an angle (in radians) |
Return Value
| Type | Description |
|---|---|
| Number | The tangent of an angle |
Technical Details
| JavaScript Version: | 1.0 |
|---|
More Examples
Example
Return the tangent of different angles:
var a=Math.tan(90);
var b=Math.tan(-90);
var c=Math.tan(45);
var d=Math.tan(60);
var b=Math.tan(-90);
var c=Math.tan(45);
var d=Math.tan(60);
The result of a,b,c, and d will be:
-1.995200412208242
1.995200412208242
1.6197751905438615
0.320040389379563
1.995200412208242
1.6197751905438615
0.320040389379563
Try it yourself »
JavaScript Math Object
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