The number of values of $x$ in the interval $[0, 5\pi]$ satisfying the equation $3sin^2x\, \,-\,\, 7sinx + 2 = 0$ is
$0$
$5$
$6$
$10$
The most general value of $\theta $ satisfying the equations $\tan \theta = - 1$ and $\cos \theta = \frac{1}{{\sqrt 2 }}$ is
Find the general solution of the equation $\sin 2 x+\cos x=0$
Find the general solution of the equation $\cos 3 x+\cos x-\cos 2 x=0$
If the equation $2\ {\sin ^2}x + \frac{{\sin 2x}}{2} = k$ , has atleast one real solution, then the sum of all integral values of $k$ is
Find the general solution of the equation $\cos 4 x=\cos 2 x$