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Re: ComplexExpand off by a factor of (1)?
Posted:
Feb 23, 2013 7:01 AM


The reason is that the denominator should be (2*I) instead of 2*I. As it stands, the expression (E^(I*y)  E^(I*y))/2*I is interpreted as I*(E^(I*y)  E^(I*y))/2.
Raul
On Feb 21, 2013, at 10:05 PM, charles.ces@gmail.com wrote:
> Would someone be able to help me understand why when I enter the expression: > > ComplexExpand[(E^(I*y)  E^(I*y))/2*I] I get a result of Sin[y] instead of Sin[y]? > > Thanks. > > Charles S. >



