if cos is equal to 2 x is equal to Cos 60 degree into cos 30 degree + sin 60 degree into sin 30 degree find sin 2x

if cos is equal to 2 x is equal to Cos 60 degree into cos 30 degree +

1.	if cos is equal to 2 x is equal to Cos 60 degree into cos 30 degree + sin 60 degree into sin 30 degree find sin 2x
Answer» OS(60-30)Cos2x=cos 302x=30x=15Sin2x=1/2