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  #1  
Old 05 ¡Ñ¹ÂÒ¹ 2011, 18:46
pkk666 pkk666 äÁèÍÂÙèã¹Ãкº
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Lightbulb ¤Ó¶ÒÁ ¨Ò¡¡ÃÒ¿ µÃÕ⡳Ï

ÍÒ¨ÒÃÂì·Õè Ãà ãËéËҤӵͺÁÒ¤ÃѺ

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«Ö觨еéͧ¨Ó¡Ñ´â´àÁ¹¢Í§¡ÃÒ¿µÃÕ⡳áµèÅеÑÇ ãËéä´é¿Ñ§¡ìªÑ¹ 1-1

ÍÒ¨ÒÃÂì¡ç¶ÒÁÇèÒ ·ÓäÁµéͧ¨Ó¡Ñ´Êèǹ¹Ñé¹ Êèǹ¹Õé ¼ÁËҤӵͺäÁèä´é

ÍÒ¨ÒÃÂì¡çãËé¶ÒÁ¤ÃÙ·èÒ¹Í×è¹ ¡çµÍºäÁèä´éàªè¹¡Ñ¹¤ÃѺ ú¡Ç¹¾Õèæ´éǹФÃѺ

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  #2  
Old 05 ¡Ñ¹ÂÒ¹ 2011, 20:01
krit krit äÁèÍÂÙèã¹Ãкº
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¹èÒ¨Ðà¾ÃÒÐàÇÅÒà»ÅÕ蹡ÃÒ¿à»ç¹¾Ç¡ $sin^{-1}$ ¨Ðä´éà»ÅÕ蹧èÒÂ(ÁÑèǹФÃѺ)

05 ¡Ñ¹ÂÒ¹ 2011 20:01 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ krit
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #3  
Old 05 ¡Ñ¹ÂÒ¹ 2011, 20:58
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PP_nine PP_nine äÁèÍÂÙèã¹Ãкº
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¡çµéͧàÍÒ¤èÒ·Õèã¡ÅéæÈÙ¹ÂìäÇé¹èФÃѺ ¨Ðä´é§èÒµèÍ¡ÒäӹdzºÒ§ÍÂèҧ㹢Ñé¹µèÍä»
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keep your way.
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #4  
Old 05 ¡Ñ¹ÂÒ¹ 2011, 21:40
ËÂÔ¹ËÂÒ§'s Avatar
ËÂÔ¹ËÂÒ§ ËÂÔ¹ËÂÒ§ äÁèÍÂÙèã¹Ãкº
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ä´é¤ÓµÍºä»áÅéǨÐÃÙéä´éÍÂèÒ§äÃÇèҤӵͺ·ÕèàÍÒ件١ ã¤ÃµÑ´ÊÔ¹¤ÃѺ à¾ÃÒжÒÁ¤ÃÙ·èÒ¹Í×è¹ÂѧµÍºäÁèä´é ¶éÒà¡Ô´¤Ø³ pkk666 µÍº¶Ù¡ÍÒ¨ÒÃÂì·èÒ¹Í×è¹äÁèàÊÕÂ˹éÒËÃ×ͤÃѺ áµè¶éÒÍÂÒ¡ä´é¤ÇÒÁÃÙé¡ç.....

¼ÁàͧäÁè¤èÍÂàËç¹´éÇ¡ѺÇԸբͧÍÒ¨ÒÃÂì·ÕèãËéà´ç¡ËҤӵͺẺ¹ÕéàŤÃѺ àËÁ×͹´Ù¶Ù¡ÍÒ¨ÒÃÂì·èÒ¹Í×è¹Âѧä§æÍÂÙè áµè¶éÒÍÂÒ¡ä´é¤ÇÒÁÃÙéá·¹àÍҤӵͺà¾×èÍä»àÍÒ¤Ðá¹¹¡ç¾ÂÒÂÒÁ˹èÍ¡çáÅéǡѹ ´Ù¨Ò¡·Õè¹Õè¡ç¾ÍÁդӵͺáÅéǤÃѺ

http://en.wikipedia.org/wiki/Inverse...tric_functions

05 ¡Ñ¹ÂÒ¹ 2011 21:41 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ ËÂÔ¹ËÂÒ§
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #5  
Old 06 ¡Ñ¹ÂÒ¹ 2011, 19:43
pkk666 pkk666 äÁèÍÂÙèã¹Ãкº
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¼Á¡çäÁè¤èÍÂà¢éÒã¨ÍÒ¨ÒÃÂìàËÁ×͹¡Ñº¤ÃѺ


à·èÒ·Õè´Ù ÍÒ¨ÒÃÂìäÁèä´éµÑé§ã¨¶ÒÁ¼Á áµèµÑé§ã¨¨Ð¶ÒÁÍÒ¨ÒÃÂ줹Í×è¹ ÁÒ¡¡ÇèÒ


áµèÍÂÒ¡µÍºãËéä´é˹ФÃѺ ¶Ö§¨ÐÃÙéÊÖ¡äÁè´Õà·èÒäËÃè¡Ñº¤¹¹Õé äÁèá¹èã¨ã¹à¨µ¹Ò¢Í§á¡ ºÒ§·ÕÍÒ¨·Óʧ¤ÃÒÁÃÐËÇèÒ§¤ÃÙ¤¹ä˹ÍÂÙè


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06 ¡Ñ¹ÂÒ¹ 2011 19:49 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 2 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ pkk666
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #6  
Old 10 ¡Ñ¹ÂÒ¹ 2011, 21:47
CHAOS's Avatar
CHAOS CHAOS äÁèÍÂÙèã¹Ãкº
àÃÔèÁ½Ö¡ÇÃÂØ·¸ì
 
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à¾ÃÒжéÒàÍÒªèǧÍ×è¹àËÁ×͹·Õ訢¡·ÇèÒ Áѹ¡ç¨Ðä´é¿Ñ§¡ìªÑ¹ 1-1 àËÁ×͹¡Ñ¹ à¢Òàŵ¡Å§¡Ñ¹ãËéàÍÒªèǧ´Ñ§¡ÅèÒǤÃѺ

Íա˹Öè§ÊÒà˵عèÒ¨Ðà»ç¹¡ÒÃàÍÒä»»ÃÐÂØ¡µìãªé¤ÃѺ
àªè¹ arcsin(1/2) ¤×ÍÁØÁÍÐä÷Õè sin ÁÕ¤èÒ 1/2 ãªèäËÁÅèФÃѺ ¶éÒ¡Ó˹´àÍÒªèǧÍ×è¹Áѹ¨Ðä´éÁØÁ·ÕèÁÕ¤èÒÁÒ¡à¡Ô¹ä»(àªè¹ 750) äÁèÃÙé¨Ð¤Ô´ÁÒ·ÓäÁä§ÅèФÃѺ

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  #7  
Old 11 ¡Ñ¹ÂÒ¹ 2011, 02:58
gon's Avatar
gon gon äÁèÍÂÙèã¹Ãкº
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Wink

ÅͧËÒÊÙµÃÍÒÃì¤á·¹áʹʹء àªè¹ $\arctan(x)-\arctan(y)=?$ ´ÕËÃ×Íà»ÅèÒ¤ÃѺ.

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