sin 2 cos 2 identity, sin 2 - cos 2 identity, cos 2 x sin 2 x identity, cos 2 + sin 2 identity, cos sin 2 plus cos 2 identity, cos 2 sin 2 trig identity
sin 2 - cos 2 identity. There are any references about sin 2 - cos 2 identity in here. you can look below.