(9cos2x+cos3x=sin(3x)/(2)+sin(x)/(2)

Similar Questions

Explore conceptually related problems

Solve : cos3x+cos2x=sin((3x)/2)+sin(x/2) , (0lexlepi)

Prove that: cos2x cos(x/2)-cos3x cos((9x)/2)=sin5x sin((5x)/2)

Prove that cos2x cos((x)/(2))-cos3x cos((9x)/(2))=sin5x sin((5x)/(2))

cos2x(cos x)/(2)-cos3x(cos(9x))/(2)=sin5x(sin(5x))/(2)

Prove that cos 2xcos(x/2)-cos 3x cos((9x)/2)= sin5x sin((5x)/2) .

int(sin^(3)(x)/(2)+cos^(3)(x)/(2))/(sin(x)/(2)+cos(x)/(2))dx

Prove that (cos(9x)-cos(5x))/(sin(17x)-sin(3x))=-(sin(2x))/(cos(10x))

Prove that: (sin x)/(cos3x)+(sin3x)/(cos9x)+(sin9x)/(cos27x)=((1)/(2))(tan27x-tan x)

Show that: (sin x)/(cos3x)+(sin3x)/(cos9x)+(sin9x)/(cos27x)=(1)/(2)(tan27x-tan x)

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