Hello,
I'm currently doing vectors in class, but I don't know what these parts mean.
Especially φ(a,b). I understand cos(φ), but I don't understand cos(φ(a,b)). φ is the angle between two vectors a and b, but what does the (a,b) part add?
I tried to google, but I couldn't really find...
Hi All
Please let me know as to in the space group symbol fd3m(oh7) what do each letters stand for.....
f=
d3=
m=
(oh7)=
Thanking all in anticipation .