- #1
tatoo5ma
- 15
- 0
hello
i have to simplify this :
sin(a)sin(b-c) + sin(b)sin(c-a) + sin(c)sin(a-b)
I did simplify it and I got it equal to zero. But my problem is, I did too many steps in order to do that. Does anyone have a shorter way to simplify that ??
thx!
i have to simplify this :
sin(a)sin(b-c) + sin(b)sin(c-a) + sin(c)sin(a-b)
I did simplify it and I got it equal to zero. But my problem is, I did too many steps in order to do that. Does anyone have a shorter way to simplify that ??
thx!