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Cos[a x - b] displayed as Cos[b - a x]

• To: mathgroup at smc.vnet.net
• Subject: [mg90834] Cos[a x - b] displayed as Cos[b - a x]
• From: "HO JEE HOU" <Jeehou.Ho at nottingham.edu.my>
• Date: Fri, 25 Jul 2008 06:18:52 -0400 (EDT)

Dear all,

I have an expression which I wish to put it in the form of Cos[a x - b].
However when I input it to Mathematica, it automatically converted to
Cos[b - a x]. Similarly, for Sin[a x - b] it would become -Sin[b - ax].

I understand that both are equivalent, but I just wish to have the form
of Cos[a x - b]. Is there any way to do this?

Thank you very much.

Best regards,
Ho

• Follow-Ups:
  • Re: Cos[a x - b] displayed as Cos[b - a x]
    • From: "Thomas Dowling" <thomasgdowling@gmail.com>