Game Development Reference
In-Depth Information
Figure 1.21
Notation used for the law of sines
and law of cosines
a
2
= b
2
+ c
2
− 2bccosA,
b
2
= a
2
+ c
2
− 2accosB,
c
2
= a
2
+ b
2
− 2abcosC.
Law of cosines
1.5
Exercises
(Answers on page 745.)
1. Give the coordinates of the following points. Assume the standard 2D
conventions. The darker grid lines represent one unit.
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