Re: Simplify
- To: mathgroup at smc.vnet.net
- Subject: [mg127669] Re: Simplify
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Tue, 14 Aug 2012 04:22:01 -0400 (EDT)
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- Delivered-to: l-mathgroup@wolfram.com
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On 8/13/12 at 3:16 AM, news at newsfe03.iad.highwinds-media.com (news) wrote: >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 typo-----------------------------------^ should be Cos[x] not Cox[x]. Cox[x] would be an unknown function to Simplify which is why it fails to yield the expected result.