% mod_tex: distributed LaTeX-rendering over Apache % Copyright (C) 2007 Peter Danenberg % See doc/COPYING for details. \documentclass[12pt]{article} \usepackage{amsmath,stmaryrd,amssymb} \usepackage{cancel} \usepackage{color} \pagestyle{empty} \begin{document} \begin{displaymath} \end{displaymath} \begin{align*} A^{-1} &= \begin{bmatrix} \cos{\alpha} & -\sin{\alpha}\\ \sin{\alpha} & \cos{\alpha} \end{bmatrix}\\ &= A^T \end{align*} \begin{displaymath} \end{displaymath} \end{document}