`(sin2x-sin3x+sin4x)/(cos2x-co3x+cos4x)=`

If f(x)=int(sin2x(cos2x-cos4x))/(cos2x(cos2x+cos4x))dx then the value of f((pi)/(3))-f(0) is

sin3x + sinx = cos6x + cos4x

Prove that (sin 4x + sin 3x + sin 2x)/(cos 4x + cos 3x + cos 2x) = tan 3x

The function f(x) given by f(x)=(sin 8x cos x-sin6x cos 3x)/(cos x cos2x-sin3x sin 4x) , is

The function f(x) given by f(x)=(sin 8x cos x-sin6x cos 3x)/(cos x cos2x-sin3x sin 4x) , is

Prove that: sin 3x + sin 2x - sin x = 4 sin x cos x/2 cos (3x)/2

Prove that sin7x + sin5x + sin3x + sinx = 4cosx cos2x sin4x

Prove that: (i) sin 3x+"sin" 2x-"sin" x = 4 sin x cos((x)/(2))cos((3x)/(2)) (ii) ("sin" 3x+"sin" x)"sin" x+(cos 3x-cos x)cos x=0.

(cos 4x sin 3x -cos 2x sin x )/(sin 4x sin x+ cos 6x cos x)= tan 2x

Prove that : (cos 4x sin 3x - cos 2x sin x)/(sin 4x .sin x + cos 6x .cos x) = tan 2x