HOW TO WORK THIS OUT BRAH

on this calc use arc tan   

It is the same as inverse tan

atan(5.5/9.3)=

 

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{5.5}}}{{\mathtt{9.3}}}}\right)} = {\mathtt{30.599\: \!978\: \!693\: \!209^{\circ}}}$$