% kadai6.tex
\documentclass[12pt,leqno]{jarticle}
\begin{document}

\title{��񏈗�2�ۑ�6}
\author{2�N16�g99�� �j�c�S�j}
\date{2007�N6���^��}
\maketitle

$\sin x$ �̃}�N���[�����W�J��
\[
  \sin x=x-\frac{x^3}{3!}+\frac{x^5}{5!}-\cdots
        =\sum_{n=1}^\infty\frac{(-1)^{n-1}}{(2n-1)!}x^{2n-1}.
\]
\end{document}

