Category:Length of Side of Triangle as Cosines of Angles
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This category contains pages concerning Length of Side of Triangle as Cosines of Angles:
Let $\triangle ABC$ be a triangle whose sides $a, b, c$ are such that $a$ is opposite $A$, $b$ is opposite $B$ and $c$ is opposite $C$.
Then:
- $c = a \cos B + b \cos A$
Pages in category "Length of Side of Triangle as Cosines of Angles"
The following 2 pages are in this category, out of 2 total.