Message-ID: <001f01be2a0f$f3170240$48f8c6c3@johans-dator>
From: "Johan Henriksson" <johan DOT he AT telia DOT com>
To: <djgpp AT delorie DOT com>
Subject: Re: sin() and cos() ???
Date: Thu, 17 Dec 1998 23:52:39 +0100
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Reply-To: djgpp AT delorie DOT com

from Johan Henriksson
Primary: johan DOT he AT telia DOT com
Second: jhe75 AT hotmail DOT com     Third: johan_he AT yahoo DOT com
HTTP://come.to/jhewok
-----Original Message-----
From: Arthur <arfa AT clara DOT net>
To: djgpp AT delorie DOT com <djgpp AT delorie DOT com>
Date: Thursday, December 17, 1998 11:44 PM
Subject: RE: sin() and cos() ???


>> off course you know that but...
>>
>> make it like this:
>>
>> float sin_d(float x){
>> return sin(x*3.1415926/180);
>> }
>
>I think in math.h, there is a definition called PI. This is much more
>accurate than what you've got here.
>
>So you can use sin(x*PI/180); instead (easier).
>

Easier but not needed. I think no one will notice the difference between
3.1415926 and 3.1415926........... And another thing; I where also fooled to
belive that units ment radians, not degrees. Maybe someone should update the
help before more people come and fall into this pit?

>
>James Arthur - jaa AT arfa DOT clara DOT net
>http://www.jado.org/users/arfa/
>ICQ#15054819
>
>
>