1 Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1362973127 2013/03/11 12:38:47 \begin{array}{r l} \displaystyle f(2m-1) =&\displaystyle\sum^{2m-1}_{k=0}{}_{2m-1}C_k\cos^{2m-1-k}\theta i^k\sin^k\theta\\ \displaystyle {\rm Im}(f(2m-1)) =&\displaystyle\sum^{m-1}_{k=1}{}_{2m-1}C_{2k}\cos^{2m-2k}\theta (-i)i^{2k-1}\sin^{2k-1}\theta\\ =&\displaystyle\sum^{m-1}_{k=1}{}_{2m-1}C_{2k}\cos^{2m-2k}\theta (-1)^{k+1}\sin^{2k-1}\theta \end{array} 7 <IMG SRC="../cgi-cache/20130311_112355.gif"> ______ 正常に処理されました 20130311_112355 Mon Mar 11 12:38:47 2013