cos of 79 degrees

You can enter this into the site calculator: http://web2.0calc.com/

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{cos}}{\left({\mathtt{79}}^\circ\right)} = {\mathtt{0.190\: \!808\: \!995\: \!377}}$$ (in degrees)