cos2x cos4x cos6x

Evaluate the following integrals: int cos2x cos 4x cos6x dx .

If g(x)=cos x cos2x cos4x cos8x then g'((pi)/(4))=

If f(x)=cos x cos2x cos4x cos8x cos16x then

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 cos2x cos4x cos(8x)*cos16x then find f'((pi)/(4))

Integrate the functions cos 2x cos 4x cos 6x

Find the integrals of the functions cos 2x cos 4x cos 6x