±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 358  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

charlie_321

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿Çë½ÌÒ»¸ö¸ßÊýÎÊÌ⣡

¡Òsin2xcos5xdx£¬ÆäÖУ¬sin2x±íʾsinxµÄƽ·½£¬cos5x±íʾsinxµÄƽ·½¡£

[ Last edited by laizuliang on 2008-3-1 at 10:16 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luohuan

ÌáÒ»¸öcosxµ½dsinx£¬ÕâÑù¾Í±ä³É¶Ô(sinx)^2(cosx)^4dsinx»ý·ÖÁË£¬×ö±ä»»t=sinx¼´¿É
4Â¥2008-03-14 21:14:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

sqjasj

Ìú³æ (³õÈëÎÄ̳)

cos5x±íʾsinxµÄƽ·½?ÊDz»ÊǸÃcos5x±íʾcosxµÄƽ·½
2Â¥2008-03-14 10:43:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

abingchem

ľ³æ (ÖøÃûдÊÖ)

-1/7*sin(x)*cos(x)^6+1/35*cos(x)^4*sin(x)+4/105*cos(x)^2*sin(x)+8/105*sin(x)
±ùÊÇ´Ó×ÀäµÄÄÇÌ쿪ʼÈÚ»¯µÄ
3Â¥2008-03-14 20:12:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 289Çóµ÷¼Á +21 ÐÂʱ´ú²ÄÁÏ 2026-03-27 23/1150 2026-04-01 22:42 by peike
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 294·Ö080500²ÄÁÏ¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +15 ÁøÏª±ß 2026-03-26 16/800 2026-04-01 17:07 by Æß¶È²»ÐÅÈÎ
[¿¼ÑÐ] ²ÄÁÏרҵµ÷¼Á +5 À²À²À²¿Þ 2026-03-31 6/300 2026-04-01 16:48 by JourneyLucky
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +11 ´ó²öС×Ó 2026-03-27 11/550 2026-04-01 16:10 by cymywx
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +4 ÔªÔªÇàÇà 2026-03-31 6/300 2026-04-01 11:13 by syh9288
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜ ³õÊÔ316·Ö Çóµ÷¼Á +3 ²ÐÐÇ·÷Êï 2026-03-31 3/150 2026-04-01 11:09 by СÐÜraider
[¿¼ÑÐ] 291Çóµ÷¼Á +3 ÃÔÃÉľľ 2026-04-01 4/200 2026-04-01 11:07 by ÄæË®³Ë·ç
[¿¼ÑÐ] 333Çóµ÷¼Á +4 °¢¿ÆÒÝ 2026-03-31 4/200 2026-04-01 09:11 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ085601²ÄÁϹ¤³ÌÓ¢Ò»Êý¶þ³õÊÔ×Ü·Ö335Çóµ÷¼Á +5 Ë«ÂíβƦÀϰå2 2026-03-31 5/250 2026-04-01 09:04 by oooqiao
[¿¼ÑÐ] ¡¾µ÷¼Á¡¿Ò»Ö¾Ô¸ÏôóÉúÎïÓëÒ½Ò©µ÷¼Á +3 EchoϺÃ× 2026-03-31 3/150 2026-04-01 08:40 by JourneyLucky
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +3 ÏàÐűػá¹ââÍòÕ 2026-03-31 3/150 2026-04-01 02:16 by СÇཷ26
[¿¼ÑÐ] 086000µ÷¼Á +5 7901117076 2026-03-26 5/250 2026-03-31 17:45 by 544594351
[¿¼ÑÐ] 340Çóµ÷¼Á +4 Ï£ÍûÈç´Ëi 2026-03-31 4/200 2026-03-31 16:40 by 690616278
[¿¼ÑÐ] 286Çóµ÷¼Á +5 ¶ªµôÀÁ¶è 2026-03-27 8/400 2026-03-31 11:27 by Delta2012
[¿¼ÑÐ] 085701»·¾³¹¤³ÌÇóµ÷¼Á +11 ¶à¾ÃÉϿΠ2026-03-27 12/600 2026-03-30 21:21 by Ñо¿É®µ¼µ¼
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏÃÃÅ´óѧ²ÄÁϹ¤³Ìר˶354ÕÒµ÷¼Á£¡£¡£¡ +5 ±´ß±µ±µ 2026-03-30 5/250 2026-03-30 18:16 by Î޼ʵIJÝÔ­
[˶²©¼ÒÔ°] ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á +4 IceGuo 2026-03-26 5/250 2026-03-29 01:25 by griffith2014
[¿¼ÑÐ] 340Çóµ÷¼Á +5 jhx777 2026-03-27 5/250 2026-03-28 04:18 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£Àí¹¤ÄÜÔ´¶¯Á¦£¨085800£©310·ÖÇóµ÷¼Á +3 zhangmingc 2026-03-27 4/200 2026-03-27 19:01 by ¸øÄãÄã×¢ÒâÐÝÏ¢
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û