# What is the formula for the vertical asymptotes of tan(x)?

$x = \left(k + \frac{1}{2}\right) \cdot \pi$ or $x = \left(k + \frac{1}{2}\right) \cdot {180}^{o}$ where $k$ is an integer.
$x = k \cdot \pi + \frac{1}{2} \pi$ or $x = k \cdot {180}^{o} + {90}^{o}$