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Python provides us with a module called `math`

which has certain functions and variables that help us in doing mathematical calculations. Functions in `math`

module return `float`

values. Before we can use the module, we have to import it:

```
import math
```

Try `print(math)`

and see the result. (You need to import math before printing)

To access one of the functions, we need to specify the name of the module and the name of the function, separated by a dot (also known as a period). This format is called `dot`

notation.

```
math.log10(1000)
```

It will calculate `log to the base 10`

and return `3.0`

in this case. The math module also provides a function called `log`

that computes logarithms to the base e.

```
math.cos(0)
```

It will find the `cosine of radians`

and return `1.0`

in this case. The name of the variable is a hint that `cos`

and the other trigonometric functions (`sin`

, `tan`

, etc.) take arguments in radians.

The expression `math.pi`

gets the variable `pi`

from the math module. The value of this variable is an approximation of π, accurate to about 15 digits. To convert from degrees to radians, divide by 360 and multiply by 2π.

```
math.sqrt(4)
```

It will calculate the square root of 4 and return 2.0 here.

- Import
`math`

module - Calculate the square root of
`56.98`

and store it in the variable`square_root`

- Convert
`26 degrees`

into radians and store it to`sin_rad`

- Calculate the sin of
`26 degrees`

and store it in the variable`sin_degree`

- Calculate the log to the base
`e`

for`1000`

and store it in the variable`log_e`

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