http://bbs.freekaoyan.com/thread-596521-1-1.html
xÇ÷ÓÚ0ʱ£¬{tan£¨tanx£©-sin£¨sinx£©}£¯£¨tanx-sinx£©
лл½â´ð£¡
ÕâÊÇÒ»µÀÑ¡ÔñÌ⣬Ӧ¸ÃÊÇÓмò±ã·½·¨µÄ£¬¸öÈËÈÏΪÓÃÎÞÇÊý£¬µ«ÊÇÕⲿ·ÖÎÒ²»ÊÇÌرðºÃ£¬ËùÒÔÓÐûÓÐÎÞÇÊýѧµÃºÃµÄ£¬°ïæ½âÏ£¬ºÇºÇ¡£
-----------------------------------------------------------------
±ð³ÁÁË°¡£¬´ó¼Ò¶¼À´°ïæÏëÏë°¡¡£
-----------------------------------------------------------------
°ï¶¥
-----------------------------------------------------------------
´ð°¸ÊÇ2Âð
-----------------------------------------------------------------
²ÑÀ¢¡£Ã»Ïë³ö½â·¨£¬¶ÈÄï¸ø³öÁ˴𰸣¬ÊÇ2£¬Êýѧ°ÉÀïÓв½Ö裬Äܽâ³öÀ´¡£
-----------------------------------------------------------------
=-= ·¢±íÓÚ 2011-11-24 16:37
´ð°¸ÊÇ2Âð
àÅ£¬´ð°¸ÊÇ2¡£
ÎÒÓÃtanx¡¢sinxµÄ3½×Õ¹¿ª£¬µÃµ½µÄÒ²ÊÇ2£¬ºÇºÇ¡£²»¹ýÎÒʼÖÕ¾õµÃÓе㲻ÑϽ÷ÄØ£¬ÄãÌùÏÂÄãµÄ²½Öè°É£¬ºÇºÇ¡£
-----------------------------------------------------------------
ÔÙ¶¥ÆðÀ´£¬Èøü¶àµÄÈË¿´µ½£¬ºÇºÇ
-----------------------------------------------------------------
ÎÒËãÁËËã~~~~ÊDz»ÊÇ ÎÞÇî´ó¼õÎÞÇî´ó¡£¡£ÊÇÁãÂð
-----------------------------------------------------------------
´ð°¸ÊǵÈÓÚ2.Ó¦¸ÃÊÇÓÃÎÞÇÊýÕ¹¿ªÀ´×ö¡£
-----------------------------------------------------------------
Õâ¸öÌâÄ¿°ÑÎÕÁ½µã¾ÍºÜ¼òµ¥£ºtanx=x+xÁ¢·½/3+...+(-1)2n-1·½xµÄ£¨2n-1£©·½/(2n-1),sinx=x-x3/3£¡.....£¬Ì«ÄÑ´òÁË£¬²»´òÍêÁË£¬Äã×Ô¼ºÈ¥²éÊ飬ȻºóËãϾͳöÀ´ÁË¡£
-----------------------------------------------------------------
ʹÓÃÂޱȴ﷨ÔòºóÀûÓõȼÛÎÞÇîС¼´¿É, ¶àÊÔÒ»ÊÔ
-----------------------------------------------------------------
ʹÓÃÂޱȴ﷨ÔòºóÀûÓõȼÛÎÞÇîС¼´¿É, ¶àÊÔÒ»ÊÔ
-----------------------------------------------------------------
¿ÉÒÔÉètanx=u sinx=u/(u^2+1)^(1/2)
ÄÍÐĵ㣬ÂޱȴïÄܳöÀ´
