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Simplifying ArcTan

• To: mathgroup at smc.vnet.net
• Subject: [mg55526] Simplifying ArcTan
• From: "fizzy" <fizzycist at knology.net>
• Date: Mon, 28 Mar 2005 02:42:04 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Why does   FullSimplify[ ArcTan[ Cos[x], Sin[x] , x>=0 && x <= Pi/2 ]
not output  x ?


Thanks...jerry blimbaum