Core JavaScript 1.5 Reference:Global Objects:Math:sin
From MDC
Contents |
[edit] Summary
Returns the sine of a number.
| Method of Math | |
|
Static |
|
| Implemented in: | JavaScript 1.0, NES 2.0 |
| ECMA Version: | ECMA-262 |
[edit] Syntax
Math.sin(x)
[edit] Parameters
-
x - A number.
[edit] Description
The sin method returns a numeric value between -1 and 1, which represents the sine of the argument.
Because sin is a static method of Math, you always use it as Math.sin(), rather than as a method of a Math object you created.
[edit] Examples
[edit] Example: Using Math.sin
The following function returns the sine of the variable x:
function getSine(x) {
return Math.sin(x)
}
If you pass getSine the value Math.PI/2, it returns 1.