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Re:m=3.1415926/asin((s+r)/(d-r))-0.5;

Posted by SaiRose at 2006-08-26 18:56:09 on Problem 2959
In Reply To:m=3.1415926/asin((s+r)/(d-r))-0.5; Posted by:jackie_wyx at 2006-08-17 05:33:42

为什么要减去0。5？

Followed by:

Re:m=3.1415926/asin((s+r)/(d-r))-0.5; (9) Brosnan 2006-09-14 16:08:10
- printf("%d\n", (int)(pi/asin((d+s)/(D-d))));//const double pi=acos(-1.0); (2) GreatAccepted 2010-02-13 16:05:52
  - Re:printf("%d\n", (int)(pi/asin((d+s)/(D-d))));//const double pi=acos(-1.0); (21) 634626165 2010-08-04 11:31:20

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