If $2{\sin ^2}\theta = 3\cos \theta ,$ where $0 \le \theta \le 2\pi $, then $\theta = $
$\frac{\pi }{6},\frac{{7\pi }}{6}$
$\frac{\pi }{3},\frac{{5\pi }}{3}$
$\frac{\pi }{3},\frac{{7\pi }}{3}$
None of these
$\alpha=\sin 36^{\circ}$ is a root of which of the following equation
If ${\tan ^2}\theta - (1 + \sqrt 3 )\tan \theta + \sqrt 3 = 0$, then the general value of $\theta $ is
If ${\sec ^2}\theta = \frac{4}{3}$, then the general value of $\theta $ is
Find the principal and general solutions of the equation $\cot x=-\sqrt{3}$
The equation $\sqrt 3 \sin x + \cos x = 4$ has