回复：SAP智力题 任一个整数变任一个整数
康MM
2010-01-13 16:56:30
( reads)
n to n+1: sec(arctan(sec(arctan...(n)...))), repeat 2n+1 times
n to n+1: sec(arctan(sec(arctan...(n)...))), repeat 2n+1 times