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# Python | sympy.tan() method

• Last Updated : 19 Jul, 2019

In simpy, `tan()` method is an tangent function. Using the `tan(x) `method in simpy module, we can compute the tangent or arctangent of x.

```Syntax : sympy.tan(x)

Return : Returns the tangent of x ```

Code #1:
Below is the example using `tan()` method to find inverse tangenet function.

 `# importing sympy library``from` `sympy ``import` `*`` ` `# calling tan() method on expression``geek1 ``=` `tan(``-``1``)``geek2 ``=` `tan(pi ``/` `3``)`` ` `print``(geek1)``print``(geek2)`

Output:

```-tan(1)
sqrt(3)
```

Code #2:

 `# importing sympy library``from` `sympy ``import` `tan`` ` ` ` `# calling tan() method on expression``geek ``=` `tan(``2` `+` `5j``)``print``(geek)`

Output:

```-6.87216388011928e-5 + 1.000059350149*I
```

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