The **`SIN()` function** returns the `sine` of a number. To be more specific, it returns the `sine` of a number in the `radians float value`. The illustration below shows the mathematical representation of the `SIN()` function.

# Syntax
```sql
SIN(number)
```
# Parameter
This function requires `number` as a parameter.

# Return Value
`SIN()` returns the `sine` of a number `(radians float value)` that is sent as a parameter.

# Example


/*example showing how to use SIN(X)*/

-- positive number
select SIN(10);

-- negative number
select SIN(-6);

-- fractional number
select SIN(4.6);

What is SIN() in SQL?

The SIN() function in SQL returns the sine of a number in radians.