¿cuanto da esto? sen 90° + 4

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{sin}}{\left({\mathtt{90}}^\circ\right)}{\mathtt{\,\small\textbf+\,}}{\mathtt{4}} = {\mathtt{5}}$$

.