The difference between the greatest and least value of function `f(x)=cosx+1/2cos2x-1/3cos3x` is

The difference between the greatest and least value of the function f(x)=cosx+1/2cos2x-1/3cos3x is

The difference between the greatest and least value of the function f(x)=cosx+1/2cos2x-1/3cos3x is

The difference between the greatest and least values of the function f(x)=cosx+1/2cos2x-1/3cos3x , is

Find the difference between the greatest and least values of the function f(x)=cos x+1/2cos2x-1/3cos3x

The difference between the greatest and least value of function f(x)=cos x+(1)/(2)cos2x-(1)/(3)cos3x is

The difference between the greatest and the least value of the function f (x)=cos x + (1)/(2) cos 2x -(1)/(3)cos 3x

The difference between the greatest and least value of the function f(x) = sin 2x -x on [-pi//2,pi//2] is

The difference between the greatest and least values of the function f(x) = sin 2x - x on [-pi//2 , pi//2] is

The difference between the greatest and the least values of the function f(x)=sin2x-x on [-(pi)/(2),(pi)/(2)]