Question 1176720

{{{ (sin(13) + sin(47) + sin(73) + sin (107)) / cos(17) }}}

={{{ (0.224951 + 0.7313537016 + 0.9563047559630354 + 0.9563047559630355) / 0.9563047559630354 }}}  

={{{ 2.8689/ 0.956 }}}

={{{3.000941}}}

={{{ 3}}}