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11 lines
407 B
TeX
11 lines
407 B
TeX
\subsection{Trigonometry \& Linear Algebra}
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\shortdefinition[Rule of cosines] $c^2 = a^2 + b^2 - 2ab \cos(\gamma)$
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% TODO: Add convenient results (such as cos2 + sin2 = 1)
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\shortdefinition[Orthogonal vec] $v^\top w = 0$;
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\shortdefinition[Vec Line Eq] $\vec{p} + \lambda \vec{d}$
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\shortdefinition[Determinant] $ad - bc$ for mat $[a, b; c, d]$
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\shortdefinition[Eigenvalues] Solve $\det(M - \lambda I) = 0$
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