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3Â¥: Originally posted by feixiaolin at 2015-01-08 18:07:58
1.  Í¬¼Ã¸ßÊý½Ì²Ä»ý·Ö±í  ÓÐ
2.  ×Ô¼º×ö£º ¿É¿¼ÂÇ t=tan(theta/2)£¬ ÓÃÓÚÌæ»»±íʾ sin(theta)

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2Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-01-08 18:07:55
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5Â¥: Originally posted by Àä±ùhh at 2015-01-08 20:26:36
ллÀ²£¬¸Ðл£¡ÇëÎÊÕâ¸ö¹«Ê½ÄÄÀïÓÐÄØ...

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PreferenceforMathematics
6Â¥2015-01-08 20:28:36
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ÒýÓûØÌû:
6Â¥: Originally posted by ÖÕ̫֮µ¶¡ªÏþ at 2015-01-08 20:28:36
http://muchong.com/bbs/viewthread.php?tid=8106879&fpage=1&target=blank...

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