嫡话逞孺 - digistats

嫡话逞孺　inverse trigonometric function

途儡簇眶　cotangent

http://www.digistats.net/image/2009/10/cot.gif

赖充簇眶　secant

http://www.digistats.net/image/2009/10/sec.gif

途充簇眶　cosecant

http://www.digistats.net/image/2009/10/cosec.gif

2009钳10奉15泣(腾)侯喇。

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Last-modified: 2009-10-15 (腾) 21:38:31 (5306d)