# What is the Tan(x) Function

The function `tan(x)`

$$tan(x)=\frac { opposite }{ adjacent }$$

The inverse of the function

$$tan(x)=\frac { adjacent }{ opposite }$$

Or you can also represent `tan(x)`

by using `sin(x)`

and `cos(x)`

$$tan(x)=\frac { sin(x) }{ cos(x) }$$