If sin theta sin 2 theta 1 then find the value of cos 2 theta cos 4 theta

If sin theta sin 2 theta 1 then find the value of cos 2 theta cos 4 theta pictures 5
Home > If sin theta sin 2 theta 1 then find the value of cos

If sin theta sin 2 theta 1 then find the value of cos 2 theta cos 4 theta