" Prove that "(sin3 theta)/(sin theta)-(cos3 theta)/(cos theta)=2

(sin 3theta)/(sin theta)-(cos 3theta)/(cos theta)=

Prove that, (sin 3 theta)/(sin theta)-(cos 3 theta)/(cos theta)=2

Prove that (sin 3 theta)/( sin theta) - (cos 3 theta)/(cos theta) = 2

( sin 3 theta )/( sin theta ) -(cos 3 theta )/( cos theta )=

Prove that :(sin theta)/(cos(3 theta))+(sin3 theta)/(cos9 theta)+(sin9 theta)/(cos27 theta)=(1)/(2)(tan27 theta-tan theta)

(3sin theta-sin3 theta)/(3cos theta+cos3 theta)=

Prove that :(sin5 theta+sin3 theta)/(cos5 theta+cos3 theta)=tan4 theta

Prove that : (sin 5theta + sin 3theta)/(cos 5theta + cos 3theta) = tan 4theta

Prove that : (sin theta)/(cos[3 theta])+(sin[3 theta])/(cos[9 theta])+(sin[9 theta])/(cos[27 theta])=(1)/(2)[tan[27 theta]-tan[theta]]

Prove that (sin theta+ sin 2theta + sin 3 theta)/(costheta+cos2theta+cos3theta)=tan 2 theta