`(sinx-sin3x)/(sin^(2)x-cos^(2)x) = 2sinx`

(sin x - sin 3x)/(sin^(2)x-cos^(2)x)=2sinx

(sin x - sin 3x)/(sin^(2)x-cos^(2)x)=2sinx

Prove that: (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

Prove the following: (sin x -sin 3x)/(sin^2 x -cos^2 x)= 2sinx

Prove that (sinx - sin3x)/(cos^2x - sin^2x) = -2sinx

(sin3x-sinx)/(cos2x) =

prove that sin2x+2sin4x+sin6x=4cos^(2)x.sinx

prove that [2(sin^3 x - cos^3 x )/(sinx -cosx)]-sin2x=2

If int(cos^(3)x+cos^(5)x)/(sin^(2)x+sin^(4)x)dx=p sinx-q/(sinx)-rtan^(-1)(sinx)+C then p+2q+r is equql to: