#F = [2 + root3 Sin(theta)Cos(theta)] / sin(theta)#
#\#
#=[ 4 + root3 {2 Sin(theta)Cos(theta)} ] /2Sin(theta)#
#\#
#= [ 4 + 1.732 * Sin(2theta)] / 2Sin(theta)#
#\#
#= [ 4 + (-1.732) ] / -2# #{ "since min value of" \ sin(theta)= -1}#
#\#
#= 2.268 /-2#
#\#
#= -1.134#