Re:complex coefficients and rules...

*To*: mathgroup at smc.vnet.net*Subject*: [mg28247] Re:complex coefficients and rules...*From*: bghiggins at ucdavis.edu (Brian Higgins)*Date*: Fri, 6 Apr 2001 01:52:55 -0400 (EDT)*Organization*: The Math Forum*References*: <9aelr6$nbu@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Richard, You might want to look at ComplexExpand function which assumes all variables are real In[8]:=ComplexExpand[Conjugate[Exp[-4*I*y]]] Out[8]=Cos[4*y] + I*Sin[4*y] or In[7]:=TrigToExp[ComplexExpand[Conjugate[Exp[-4*I*y]]]] Out[7]=E^(4*I*y) Cheers, Brian