#1
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µÃÕ⡳
$\frac{3\pi }{2} < \theta <\frac{-\pi }{2} $
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#2
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Áѹ·Õèà´ÕÂǡѹäÁèãªèËÃͤÃѺ - -
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#3
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¤ÃѺ·Õè à´ÕÂǡѹ
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Fortune Lady
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#4
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24 àÁÉÒ¹ 2010 16:16 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ NAKHON à˵ؼÅ: ¼Ô´ |
#5
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$\dfrac{3\pi}{2}=270^{\circ}$
$-\dfrac{\pi}{2}=-90^{\circ}$ Áѹ¡ç¹Ñº¨Ò¡ $0$ ͧÈÒŧÁÒ¢éÒ§ÅèÒ§ $90$ ͧÈÒ Áѹ¡ç¤×Í $270$ ͧÈÒÍèÒ¤ÃѺ
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24 àÁÉÒ¹ 2010 18:20 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Ne[S]zA |
#6
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à¤Ã×èͧËÁÒÂÁѹ¡ÅѺ·ÔȡѹÃÖà»ÅèÒ¤ÃѺ - -a
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