From: Kertis Henderson Newsgroups: comp.os.msdos.djgpp Subject: Re: sin() and cos() ??? Date: Thu, 17 Dec 1998 02:39:35 -0500 Organization: Penn State University, Center for Academic Computing Lines: 24 Message-ID: <3678B537.F0ACF0AF@frozenwave.com> References: <367833E6 DOT 84CD87A5 AT pge DOT com> NNTP-Posting-Host: kah190.rh.psu.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.5 [en] (X11; I; Linux 2.0.36 i686) X-Accept-Language: en To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Mike Purtell wrote: > > What am I missing ? > > I call ... > > #include > #include > ... > printf("The SIN of 45 Deg is %.2f\n",sin(45) ); > and get .851 ?? > and then > printf("The COS of 45 Deg is %.2f\n",cos(45) ); > and get .525 ???? > ... > I would expect .707 for both ! The sine of 45 radians is .851, and the cosine of 45 radians is .525. These functions don't take degrees as arguments. -- Kertis Henderson kertis AT frozenwave DOT com