PLEASE!
5. Which of the following are true statements? Select all that apply. (2 points)
sin 50° = sin 22° cos 28° + cos 22° sin 28°
sin 50° = sin 72° cos 22° - sin 72° cos 220
cos 50º = cos 64º sin 14° + cos 64 sin 14°
tan50° = tan 52°+tan 2°/ 1-tan 52°tan 20
tan50°=tan 11° + tan 39°/ 1-tan 11°tan39°