雙曲線正割函數打不出來
Forum » LaTeX輸入問題 / LaTeX語法疑問 » 雙曲線正割函數打不出來
Started by: lin lulin lu
Date: 30 Jul 2009 03:37
Number of posts: 5
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Summary:
雙曲線的正割、餘割函數我打不出來,
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