mirror of
https://github.com/janishutz/eth-summaries.git
synced 2026-07-27 21:29:09 +02:00
8 lines
285 B
TeX
8 lines
285 B
TeX
\subsection{Trigonometry \& Linear Algebra}
|
|
\shortdefinition[Rule of cosines] $c^2 = a^2 + b^2 - 2ab \cos(\gamma)$
|
|
|
|
% TODO: Add convenient results (such as cos2 + sin2 = 1)
|
|
\shortdefinition[Orthogonal vec] $v^\top w = 0$
|
|
|
|
\shortdefinition[Determinant] $ad - bc$ for mat $[a, b; c, d]$
|