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Law of cosines
ID: law-of-cosines
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Law of cosines
by
Wikipedia Bot
0
1970-01-01
The
Law of Cosines
is
a
fundamental relationship in
geometry
that relates the
lengths
of the sides of
a
triangle
to the
cosine
of one of its
angles
. It is particularly
useful
for solving
triangles
that are not right-angled.
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