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Re: Exact value of Cos[Pi/17]

• To: mathgroup at smc.vnet.net
• Subject: [mg14894] Re: [mg14833] Exact value of Cos[Pi/17]
• From: "Tomas Garza" <tgarza at mail.internet.com.mx>
• Date: Mon, 23 Nov 1998 10:12:12 -0500
• Sender: owner-wri-mathgroup at wolfram.com

Christopher Gorski wrote:

>In The Mathematica Book, there is an example on page 936 of Mathematica
>returning the exact answer to Cos[Pi/17].  When I try it out on my NT
>machine, however, (mathematica v.3), it simply returns Cos[Pi/17]. 

Christopher,
Try Cos[Pi/17.] 
This should do the trick.

Good luck,

Tomas Garza
Mexico City