Find the degree measures corresponding to the following radian measures ( Use $\pi=\frac{22}{7}$ ).

$\frac{7 \pi}{6}$

Find the value of the trigonometric function $\sin \left(-\frac{11 \pi}{3}\right)$

Find the degree measures corresponding to the following radian measures (Use $\pi=\frac{22}{7}$ ).

$\frac{11}{16}$

If $x = \sec \,\phi - \tan \phi ,y = {\rm{cosec}}\phi + \cot \phi ,$ then

If $5\tan \theta = 4,$ then $\frac{{5\sin \theta - 3\cos \theta }}{{5\sin \theta + 2\cos \theta }} = $

If $a\,{\cos ^3}\alpha + 3a\,\cos \alpha \,{\sin ^2}\alpha = m$ and $a\,{\sin ^3}\alpha + 3a\,{\cos ^2}\alpha \sin \alpha = n,$ then  ${(m + n)^{2/3}} + {(m - n)^{2/3}}$ is equal to