JavaScript Math.sin() Method

　JavaScript Math Object

Math.sin()The method returns the sine value of a number.

The Math.sin() method returns a sine value between-1and1between the numerical values, which represent the sine of the angle in radians.

Because sin() is a static method of Math, you should always use it asMath.sin(), rather than used as methods of the created Math object.

Syntax:

Math.sin(x)

Math.sin(0);　　　//　0
Math.sin(1);　　　//　0.8414709848078965
Math.sin(4);　　　//　-0.7568024953079282
Math.sin(Math.PI);　//　1.2246467991473532e-16
Math.sin(Math.PI　/　2);　//　1

Browser Compatibility

All browsers fully support the Math.sin() method:

Parameter Value

Technical Details

　JavaScript Math Object