F(x)=2sinx+4cosx-tgx x= π/ 6

Question

F(x)=2sinx+4cosx-tgx x= π/ 6

Answer 1

X= pi / 6
sin pi / 6 = 1/2
cos pi / 6 =√3/2
tg pi / 6 =√3/3
F(x) = 2*(1/2) + 4 * √3/2 - √3/3
F(x) = (6+ 10√3) / 6