forked from lijiext/lammps
15 lines
348 B
TeX
15 lines
348 B
TeX
\documentclass[12pt]{article}
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\begin{document}
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\begin{eqnarray*}
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a &=& {\rm lx} \\
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b^2 &=& {\rm ly}^2 + {\rm xy}^2 \\
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c^2 &=& {\rm lz}^2 + {\rm xz}^2 + {\rm yz}^2 \\
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\cos{\alpha} &=& \frac{{\rm xy}*{\rm xz} + {\rm ly}*{\rm yz}}{b*c} \\
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\cos{\beta} &=& \frac{\rm xz}{c} \\
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\cos{\gamma} &=& \frac{\rm xy}{b} \\
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\end{eqnarray*}
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\end{document}
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