Graphics Reference
In-Depth Information
bc
s
(
s
sin(
A
)=
2
−
a
)(
s
−
b
)(
s
−
c
)
ca
s
(
s
sin(
B
)=
2
−
a
)(
s
−
b
)(
s
−
c
)
ab
s
(
s
sin(
C
)=
2
−
a
)(
s
−
b
)(
s
−
c
)
4.9 Summary
No derivation has been given for the formulae in this chapter, but the reader
who is really interested will find plenty of topics that show their origins.
Hopefully, the formulae will be a useful reference when studying the rest
of the topic, and perhaps will be of some use when solving problems in the
future.
I should draw the reader's attention to two maths topics that I have found
a source of information and inspiration:
Handbook of Mathematics and Com-
putational Science
by John Harris and Horst Stocker (1998), and
Mathematics
from the Birth of Numbers
by Jan Gullberg (1997).
