Question

Solve:- ${\cot }^2\theta =3$

Answer 1

${\tan }^2\theta =\frac{1}{3}$
$⟹{\tan }^2\theta ={\tan }^2\frac{\pi }{6}$
$⟹\theta =n\pi \pm \frac{\pi }{6}$ $(n\in Z)$