sin(x) 1/7

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{sin}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{1}}}{{\mathtt{7}}}}\right)} = {\mathtt{8.213\: \!210\: \!701\: \!738^{\circ}}}$$

.