Write the maximum values of 12 sin x – 9 sin2 x.




f(x)ϵ-(3[-1,1]-2)2+4


f(x)ϵ-([-3,3]-2)2+4


f(x)ϵ-([-5,1])2+4


f(x)ϵ-[0,25]+4


f(x)ϵ[-25,0]+4


f(x)ϵ[-21,4]


1