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jzxyhxhgxy: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2016-08-18 09:45:46
x=1/2+r cos theta,
y=1/2+r sin theta.
»ý·ÖÖµµÈÓÚÕâ¸öÔ²Å̵ÄÃæ»ý£¬Îªpi/2.
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ÒýÓûØÌû:
2Â¥: Originally posted by 001gqs at 2016-07-17 20:03:58
x=1/2+r cos theta,
y=1/2+r sin theta.
»ý·ÖÖµµÈÓÚÕâ¸öÔ²Å̵ÄÃæ»ý£¬Îªpi/2.

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001gqs

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ÒýÓûØÌû:
3Â¥: Originally posted by jzxyhxhgxy at 2016-07-17 22:08:09
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x+y=1+r cos theta+r sin theta,
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jzxyhxhgxy

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ÒýÓûØÌû:
4Â¥: Originally posted by 001gqs at 2016-07-18 11:07:32
x+y=1+r cos theta+r sin theta,
ºóÃæµÄÁ½ÏîÓɶԳÆÐÔ£¬»ý·ÖֵΪ0£¬ËùÒÔֻʣÏÂ1ÕâÒ»ÏΪpi/2....

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6Â¥2016-07-18 14:58:39
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jzxyhxhgxy

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ÒýÓûØÌû:
4Â¥: Originally posted by 001gqs at 2016-07-18 11:07:32
x+y=1+r cos theta+r sin theta,
ºóÃæµÄÁ½ÏîÓɶԳÆÐÔ£¬»ý·ÖֵΪ0£¬ËùÒÔֻʣÏÂ1ÕâÒ»ÏΪpi/2....

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001gqs

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by jzxyhxhgxy at 2016-07-18 14:57:44
½á¹ûÊǶԵ쬵«ÊéÉ϶ÔthetaµÄ»ý·ÖÊÇ3/4 piµ½-1/4 pi£¬ÇëÎÊÕâ¸öÇø¼äÊÇÔõôȷ¶¨µÄ
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