# Python sin() Function | Math.sin() in Python Example

Python sin() is an inbuilt method that is defined under the math module which is basically used to find the sine value of the parameter passed in radians.

Python sin() is an inbuilt method that is defined under the math module, which is used to find the sine value of the parameter passed in radians. For example, if x is passed as a parameter in sin function (sin(x)), it returns the sine value of x in radians. We can use a math module by importing it. The syntax would be import math; after importing, we use to call the sin() function using a static object.

### Python sin()

In Python, the math module contains several mathematical operations, which can be performed with ease using the module. The math.sin() function returns a sine of the value passed as an argument. The value passed in the sin() function should be in radians.

#### Syntax

``math.sin(var)``

Here var is the variable of which sine we have to find.

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