Sin2(280°+2Π) x Log(Cos85°) + tanΠ\2 - √567=?
Sin2(280+2π)×Log(Cos85)+tan(π/2)−√567Sin2(280)×Log(Cos85)+1−√567
sin360∘(280∘)2×log10(cos360∘(85∘))+1−√567=−23.8395118060089477