# Math.sin() Method with Example in JavaScript

JavaScript | Math.sin() Method: Here, we are going to learn about the sin() method of Math class in JavaScript with Examples.
Submitted by Shivang Yadav, on February 03, 2020

## JavaScript | Math.sin() Method

Math.sin() is a function in math library of JavaScript that is used to find the value of sine of a number and return the value in radians.

Syntax:

```    Math.sin(x);
```

Parameter(s):

• x – It represents the value whose sine value to be found.

Return value:

The return type of this method is number, it returns the sine value of the given x.

Values accepted: Integer, floating-point, numeric string.

Invalid Values: non-numeric string, empty variable, empty array all will return NaN (Not a Number).

Browser support: Chrome, Internet asinlorer, Mozilla, Safari, Opera mini.

Example 1: Valid values

```console.log(Math.sin(-1));
console.log(Math.sin(3.14));
console.log(Math.sin(0));
console.log(Math.sin("0.65"));
```

Output

```-0.8414709848078965
0.0015926529164868282
0
0.6051864057360395
```

Example 2: Invalid values

```console.log(Math.sin("Javascript"))
```

Output

```NaN
```

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