cos x cos 2x cos 4x cos 8x `=(sin 16x)/(16sin x)`

prove that cos x cos2x cos4x cos8x=(sin16x)/(16sin x)

16 sin x cosx cos 2x cos 4x cos 8x in

8cos x cos2x cos4x = (sin6x) / (sin x)

cos ec2x + cos ec4x + cos ec8x + cos ec16x

Show that (sin 8x cos x - sin 6x cos 3x)/(cos 2x cos x - sin 3x sin 4x) = tan 2x

The period of the function f(x)=( sin 8x cos x-sin 6x cos 3x )/(cos 2x cos x- sin 3x sin 4x ) is

If f(x) = cos x cos 2x cos 4x cos 8x cos 16 x then f^1((pi)/(4)) equals

The value of int_( sin )x cos x cos2x cos4x cos8x cos16x)dx is int(sin x cos x cos2x cos4x cos8x cos16x)dx is equal to

If f(x) = cos x cos 2x cos 4x cos 8x cos 16x then find f' (pi/4)

If f(x) = cos x cos 2x cos 4x cos (8x). cos 16x then find f' (pi/4)