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Simplify

• To: mathgroup at smc.vnet.net
• Subject: [mg127659] Simplify
• From: "news" <news at newsfe03.iad.highwinds-media.com>
• Date: Mon, 13 Aug 2012 03:16:55 -0400 (EDT)
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• Delivered-to: l-mathgroup@wolfram.com
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Hi folks,

Simplify must result:

Simplify[(1 + Sin[x] - Cos[x])/(1 + Sin[x] + Cos[x]) == Tan[x/2]]
True

but why instead it results:

Simplify[(1 + Sin[x] - Cos[x]) / (1 + Sin[x] + Cox[x]) ==  Tan[x/2]]

((Cos[x] - Cox[x])*Tan[x/2]) / (1 + Cox[x] + Sin[x]) == 0

Thanks.

Max.

• Follow-Ups:
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    • From: Sseziwa Mukasa <mukasa@gmail.com>
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    • From: Andrzej Kozlowski <akozlowski@gmail.com>
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  • Re: Simplify
    • From: "W. Craig Carter" <ccarter@MIT.EDU>