n to n+1: sec(arctan(sec(arctan...(n)...))), repeat 2n+1 times
回複:SAP智力題 任一個整數變任一個整數
本帖於 2010-01-16 14:52:24 時間, 由普通用戶 康MM 編輯
n to n+1: sec(arctan(sec(arctan...(n)...))), repeat 2n+1 times
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