5 Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1529386621 2018/06/19 14:37: 1 \left\{ \begin{array}{l} \tan \theta = \frac{\sin \theta}{\cos \theta}\\ \sin^2 \theta + \cos^2 \theta = 1\\ 1+\tan^2 \theta =\frac{1}{\cos^2 \theta} \end{array} \right. 3 変換(アンチエイリアス) <IMG SRC="../cgi-cache/20180619_120314.gif"> 正常に処理されました 20180619_120314 Tue Jun 19 14:37:01 2018