JavaScript tan()Method
JavaScript Math ObjectExample
Returns a number representing the tangent of an angle:
Math.tan(90);
Output:
-1.995200412208242
Try it yourself »
Definition and Usage
The tan() method returns a number representing the tangent of an angle.
Browser Support
All major browsers support the tan() method
Syntax
Math.tan(x)
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. An angle in radians. Multiply the angle by 0.017453293 (2PI/360) to convert it to radians. |
Return Value
| Type | Description |
|---|---|
| Number | The tangent value of the angle |
Technical Details
| JavaScript Version: | 1.0 |
|---|
More Examples
Example
In this example, we will calculate the tangent of different numbers:
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);
a,b,c, anddOutput:
-1.995200412208242
1.995200412208242
1.6197751905438615
0.320040389379563
1.995200412208242
1.6197751905438615
0.320040389379563
Try it yourself »
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