Please explain this question :

The variable 'x' satistying the quation |sin x cos x| +  $\sqrt{2+{\tan }^2\mathrm{x}+{\cot }^2\mathrm{x}}=\sqrt{3}$, belongs to the interval
(A) $\left[0, \frac{\mathrm{\pi }}{3}\right]$
(B) $\left(\frac{\mathrm{\pi }}{3}, \frac{\mathrm{\pi }}{2}\right)$
(C) $\left[\frac{\text{3π}}{\text{4}}\text{,\hspace{0.17em}\hspace{0.17em}π}\right)$
(D) non existent