angle measure of cos^-1 0.7439

cos^-1(.7439) =

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}^{\!\!\mathtt{-1}}{\left({\mathtt{0.743\: \!9}}\right)} = {\mathtt{41.935\: \!295\: \!930\: \!845^{\circ}}}$$

Please realize that this may also be a reference angle with the same measure lying in the 4th quadrant, i.e., 318.064704069155°