The ratio of the areas between the curves y = cosx and y = cos 2x and x-axis from x = 0 to x = π/3 is

Let us call the corresponding areas A1 and A2.


A1 =


=


= √3/2


A2 =


=


= √3/4


∴ A1 : A2 = 2 : 1 (Ans)

1