# How do you write the equation -4/3=tanx in the form of an inverse function?

Oct 22, 2017

#### Explanation:

.

Oct 23, 2017

$\tan a = b$ if and only of $a = {\tan}^{-} 1 \left(b\right) + \pi k$ for some integer $k$.
$x = {\tan}^{-} 1 \left(- \frac{4}{3}\right) + \pi k$ for integer $k$