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Hon Precalculus
4.8, 6.1, 6.2, 10.7
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Aadi Patel
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Cards (2)
Law of sines
:
s
i
n
A
/
a
=
sinA/a =
s
in
A
/
a
=
s
i
n
B
/
b
=
sin B/b =
s
in
B
/
b
=
s
i
n
C
/
c
sinC/c
s
in
C
/
c
Law of Cosines (A) :
a
2
=
a^2=
a
2
=
b
2
+
b^2+
b
2
+
c
2
−
2
b
c
•
c
o
s
A
c^2-2bc •cosA
c
2
−
2
b
c
•
cos
A
