/sci/ - Science & Math

>>6934204
Alright...
If you don't mind can you elaborate a bit on your process? For instance how do you get
>sin (x+50)-sin(x-50)
to this
>2*cos((x+50+x-50)/2)*sin((x+50-x+50)/2)
If you don't want to bother typing. A link to the rules of this would just as good.