#1
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µÃÕ⡳ÁÔµÔ
ÁÕǧ¡ÅÁÊͧǧÃÑÈÁÕà·èҡѹ ¤×Í $O_1$ áÅÐ $O_2$ ǧ¡ÅÁÊͧǧµÑ´¡Ñ¹·Õè ¨Ø´ A,B ¡Ó˹´ãËé $AO_1B=\theta $
ËÒ $\theta$ ãËéÃÙ»¢Í§ $\pi$ áÅÐ sin,cos àªè¹ $\frac{\pi}{2}+sin\theta$ à»ç¹µé¹ ¢Íº¤Ø³Åèǧ˹éÒ¤ÃѺ |
#2
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ãËéËÒ $\theta$ ã¹ÃÙ» $\theta$ ËÃ×ͤÃѺ
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#3
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ãªè¤ÃѺ ¡. $\theta = \pi + sin\theta$
¢. $\theta = \frac{\pi}{2} + sin\theta$ ¤. $\theta = \pi + cos\theta$ §. $\theta = \frac{\pi}{2} + cos\theta$ |
#4
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$O_1,O_2$ à»ç¹ ª×èÍǧ¡ÅÁ ËÃ×Í ª×èͨشÈÙ¹Âì¡ÅÒ§ ¤ÃѺ
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#5
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ª×èͨشÈÙ¹Âì¡ÅÒ§¤ÃѺ
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#6
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¢éÍÁÙŹéÍÂà¡Ô¹ä»¤ÃѺ
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#7
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$\theta_1$ $=\pi +sin$$\theta_2$
$\theta_1, \theta_2$ à»ç¹¤¹ÅеÑÇá»ÃËÃ×Íà»ÅèÒ¤ÃѺ äÁè§Ñé¹ Áѹ¡çäÁèà¡ÕèÂǡѺ ǧ¡ÅÁ·Õè¡ÅèÒǶ֧µÍ¹áá¤ÃѺ
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#8
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ÍèÍ ¤ÃѺ ¢Íº¤Ø³¤ÃѺ
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