Znn3bq.jpeg
²é¿´: 1320  |  »Ø¸´: 12
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

huanzi82

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Ò»µÀÒ»½×³£Î¢·Ö·½³ÌµÄÌâ ÒÑÓÐ1È˲ÎÓë

y'tan(x+y)=tanx,
Çóy(x)
Çë¸÷λ´óÏÀ°ïæ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huanzi82

½ð³æ (ÕýʽдÊÖ)

ÖØ½ðÐüÉÍ ¶¼Ã»ÓйØ×¢°¡
Ò»Éù̾Ϣ¡£¡£¡£
3Â¥2012-05-18 23:05:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

huanzi82

½ð³æ (ÕýʽдÊÖ)

ºô»½·½³ÌÅ£È˹Ø×¢°¡
2Â¥2012-05-16 23:05:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huanzi82

½ð³æ (ÕýʽдÊÖ)

Õâ¸ö·½³Ì ÓÃÈí¼þ½â²»³öÀ´£¬ÊDz»ÊÇÒâζ×ÅÕâ¸ö·½³ÌûÓгõµÈº¯Êý½â°¡£¿
4Â¥2012-05-21 22:27:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

acmuser

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
huanzi82: ½ð±Ò+5, ¡ïÓаïÖú 2012-05-23 10:11:12
I cannot figure out the first integral of the equation, (ln(cos(x+y))'=-sin(x+y)/cos(x+y)(y'+1), unfortunately there is an extra term.
Where do you find this equation? Say something about the background may be helpful.
5Â¥2012-05-21 23:34:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ085601µ÷¼Á +30 ºÎÈó²É123 2026-04-10 32/1600 2026-04-13 09:51 by szhize
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +10 СȽҪŬÁ¦ 2026-04-10 11/550 2026-04-13 09:34 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] ²ÄÁϸ´ÊÔÇóµ÷¼Á +21 xhhdjdjsjks 2026-04-09 21/1050 2026-04-13 08:43 by lhj2009
[¿¼ÑÐ] ²ÄÁϹ¤³Ì085601£¬270Çóµ÷¼Á +36 @ASDF1234 2026-04-08 39/1950 2026-04-13 08:37 by Delta2012
[¿¼ÑÐ] 293Çóµ÷¼Á +13 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 14/700 2026-04-13 08:33 by ÌÒ×ÓζҲ²»Ìð
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +6 ×ÓľÄÅ 2026-04-12 6/300 2026-04-13 07:54 by wp06
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤300Çóµ÷¼Á +39 Ф¿ªÎÄ 2026-04-09 43/2150 2026-04-12 01:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 299Çóµ÷¼Á +8 ZVVZ13 2026-04-08 8/400 2026-04-12 00:40 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +3 Say Never 2026-04-11 3/150 2026-04-11 17:22 by daydayup2005
[¿¼ÑÐ] 269Çóµ÷¼Á +11 °¡°¡ÎÒÎÒ 2026-04-07 11/550 2026-04-11 16:45 by vgtyfty
[¿¼ÑÐ] ũҵ¹ÜÀí302·ÖÇóµ÷¼Á +3 xuening1 2026-04-10 3/150 2026-04-11 10:18 by zhq0425
[ÂÛÎÄͶ¸å] mdpiСÐÞrvrʱ¼äËÄÎåÌìÁË 20+3 ¹þ¹þhigh 2026-04-08 5/250 2026-04-10 16:02 by ±±¾©À³ÒðÈóÉ«
[¿¼ÑÐ] Çóµ÷¼Á ²ÄÁÏÓ빤³Ì 324·Ö ר˶ +19 ôæôæÒ»ÊéÉú 2026-04-10 21/1050 2026-04-10 11:41 by wp06
[¿¼ÑÐ] 283µç×ÓÐÅÏ¢Çóµ÷¼Á +4 ÈýʯWL 2026-04-08 4/200 2026-04-09 10:21 by wp06
[¿¼ÑÐ] 275 Çóµ÷¼Á +8 Lei812514 2026-04-07 8/400 2026-04-08 12:46 by chemisry
[¿¼ÑÐ] Çó¿¼ÑвÄÁϵ÷¼Á +3 ²Ä»¯Àî¿É 2026-04-07 3/150 2026-04-08 00:21 by JourneyLucky
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 22:00 by hemengdong
[¿¼ÑÐ] 085602µ÷¼Á ³õÊÔ×Ü·Ö335 +3 19123253302 2026-04-06 3/150 2026-04-07 18:00 by jp9609
[¿¼ÑÐ] 325 µ÷¼Á +6 QQСϺ 2026-04-07 6/300 2026-04-07 15:17 by Ccclqqq
[¿¼ÑÐ] 22408 331·ÖÇóµ÷¼Á +4 y__1 2026-04-06 4/200 2026-04-06 17:26 by ÍÁľ˶ʿÕÐÉú
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û