5 Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0) /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1387239897 2013/12/17 09:24:57 x_2=x_0\cos 120^{\circ}-y_0\sin 120^{\circ}\\ y_2=y_0\cos 120^{\circ}+x_0\sin 120^{\circ} _________LaTeX__________________ 33 ______(________________________) <IMG SRC="../cgi-cache/20131217_090719.gif"> ______ 正常に処理されました 20131217_090719 Tue Dec 17 09:24:57 2013