5
2 \ 3
K; LIN-3
The Law of Cosines (8.3)
Last time we saw that the Law of Sines could be used to solve a triangle when either of
the following two sets of infomtation were known about the triangle:
0 Two angles and one side (ASA or AAS)
0 Two sid
Sequences (12.1)
We can think of a sequence of numbers as an ordered Ls: cfnzmbert The mathemJUC- démmn 3I 3
sequence is a function whose domain is the set 0! positive integers.
Example: 1 7 l3 4- ~
I ' " r' J "1
Notatioml f} V IN, U, My? up? {7- irirr- i