From: "Thomas R. Corbin" <tc@...>
Date: 2001-12-07T06:13:56+09:00
Subject: [ruby-talk:27750] Re: Help! acos, asin - where?

Hal E. Fulton wrote:

> ----- Original Message -----
> From: Thomas R. Corbin <tc@clark.net>
> Newsgroups: comp.lang.ruby
> To: ruby-talk ML <ruby-talk@ruby-lang.org>; <undisclosed-recipients: ;>
> Sent: Wednesday, December 05, 2001 12:04 PM
> Subject: [ruby-talk:27578] Re: Help! acos, asin - where?
> 
> 
>> > def Math.asin x; atan2 x,sqrt(1-x*x) end
>> > def Math.acos x; atan2 sqrt(1-x*x),x end
>>
>>         Thanks!  This is great... But shouldn't this be in the Math
> module?
>>
>>         Sorry if I'm missing something.
>>
>>         Tom Corbin
> 
> Tom,
> 
> I think this will be in 1.8... you can verify that by
> looking at the latest 1.7.x version.
> 
> Hal

        Cool, thanks everyone for their help.   I can't believe how helpful ruby
people are, it's just great!