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- Subject: Re: Fun math puzzle: cin(X)
- From: Dirk Laurie <dirk.laurie@...>
- Date: Thu, 4 Apr 2019 09:03:40 +0200
Op Do. 4 Apr. 2019 om 01:14 het Albert Chan <albertmcchan@yahoo.com> geskryf:
>
> Comes across a fun math puzzle. :-)
>
> Design a function cin(X), such that cin(cin(cin(X))) = sin(X)
>
> cin(X) must be smooth function, and at least 10 digits accurate.
>
> In other words, cin(cin(cin(X))) / sin(X) = 1.00000 00000
>
> What is the value of cin(2.019) ?
Since you post it on this list, one assumes that the calculation musr
be done in Lua :-)
Am I allowed the luxury of requiring luafft (available from LuaRocks)?