If `M and m` are maximum and minimum value of `f(x)=cos^2 x-4 cos x +7,x in R` respectively then find `(M-m).`

If M and m are maximum and minimum value of f(x)=cos^(2)x-4cos x+7,x in R respectively then find (M-m)

The maximum and minimum values of f(x)= 6 sin x cos x +4cos2x are respectively

Find the maximum and minimum value of sin^(2)x+4cos2x, for x in R

Find the maximum and minimum value of 24 sin x +7 cos x

The maximum and minimum values of 6 sin x cos x +4cos2x are respectively

Find the absolute maximum and minimum values of f(x) = 2cos 2x - cos 4x, "x"in[0, pi].

For x in[1,16],M and m denotes maximum and minimum values of f(x)=log_(2)^(2)x-log_(2)x^(3)+3 respectively,then value of (2M-4m) is-

Find the minimum and maximum value of sin^(4)x+cos^(2) x where x in R