The general solution of ${\tan }^2\theta =3$ is $(n\in Z)$

The correct option is C $n\pi \pm \frac{\pi }{3}$
Given, ${\tan }^2\theta =3$
$\Rightarrow {\tan }^2\theta =3={\tan }^2\frac{\pi }{3}$
General solution is
$\Rightarrow \theta =n\pi \pm \frac{\pi }{3}$
Hence the correct answer is Option c.