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   .Dolphin
   http://dolphin.ttongfly.net/
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www.youtuberepeat.com/watch?v=AHnq6DWFjVM


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if r=4sin©÷¥è ( x = 4sin©÷¥ècos¥è , y = 4sin©ø¥è )

dx/d¥è = 4*(2sin¥ècos¥è)*cos¥è - 4sin©ø¥è
dy/d¥è = 4*3sin©÷¥ècos¥è
dy/dx = (3sin¥ècos¥è) / (2cos©÷¥è-sin©÷¥è) = {3*(1/2)*(¡î3/2)} / {2*(3/4)-1/4} = 3¡î3/5


  Hit : 7387     Date : 2011/04/12 03:16



    
.Dolphin ¹«ÇùæÁöÀ§¿øȸ µÇ»ì¸®±â ¿îµ¿º»ºÎ¿¡¼­ ³ª¿Ó½À´Ï´Ù. 2011/04/12  
uwang ¼öÇÐÀç¹Ô½À´Ï´ç¤»..........¸øÇؼ­ ¹®Á¦Â¡......¤Ì.¤Ì.............¼öÇаú¿À¼¼¿è ¤¾_¤¾ 2011/04/12  
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2011/04/13  
helloman ¤·_¤· ¿­°ø ¤»¤» 2011/04/13  
21922   uoy kcuf[2]     .Dolphin
03/21 7356
21921   ¾È³Ä¼¼¿© µ¹ÇÉÀÔ´Ï´Ù.[3]     .Dolphin
03/24 7030
21920   ³ëÆ®ºÏÀ» ¹þ°Üº¸´Ù°¡[6]     .Dolphin
04/04 6798
21919   Çä ±×³É »ó½Ä ¼öÁØÀ¸·Î ¾Ë¾ÆµÎ½Ã±æ..[7]     .Dolphin
04/05 6863
21918   ü°èÀûÀÎ ½Ã½ºÅÛ LOB[4]     .Dolphin
05/07 7329
21917   ¾Æ ³Ê¹«À̻ڴ٤̤Ì..[4]     .Dolphin
04/11 6851
  ¤²¤¸¤§¤¡¼î[4]     .Dolphin
04/12 7386
21915   _-___-__-_-___-_---__-__[5]     .Dolphin
04/25 6532
21914   °í1ÀÌÇÏ Çлýµé~~~ ¿ìÂÞÂÞÂÞÂÞ[15]     .Dolphin
05/02 6775
21913     [re] PC °ßÀûÁ» ºÁÁÖ¼¼¿ä[2]     .Dolphin
05/05 6451
21912   »ç¹«ÀÚµ¿È­ º¸¼Ì´øºÐ [2]     .Dolphin
05/04 6527
21911   ¿©±â´Ù°¡ ¹°¾îºÁµµ µÇ³ª¿ä...?[2]     .Dolphin
05/10 8380
21910   ¾Æ¾â¾¾¸¦ »ýÈ°È­ ÇսôÙ![3]     .Dolphin
05/12 7615
21909   ¸·³»´Â ¿ó´Ï´Ù[8]     .Dolphin
05/17 6225
21908   ¤»¤»¤»¤»¤»¤»¤»¤»¤»¤»¤»¤»[9]     .Dolphin
05/26 6956
21907   ÇØÄðºÏ ±Ã±Ý Çϼ̴øºÐ º¸¼¼¿ä ¤¾[14]     .Dolphin
06/14 6956
21906   ¿î¿µÃ¼Á¦°¡ ¾ø´Â ÄÄÇ»ÅÍ...[2]     .Dolphin
01/30 6976
21905   ¿äÁò ¸¶À½µµ ½Ì¼þ»ý¼þÇѵ¥ cnuxer´Ô ±Û Àß Àоú½À´Ï´Ù.[6]     .Dolphin
10/07 6185
21904   ¼Ò¼öÀÇ ÇÑ»ç¶÷µµ...[1]     .eyes.
10/12 6552
21903   ¿øÁ¤´ë Ç®´Ù ¸¸µç ³ë·¡ - eggshell[4]     /dev/null
04/17 7749
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