I want to ask Mathematica to evaluate
Exp[2*n* Pi*I]
treating n, as Integer. the answer is 1, but Mathematica writes
Cos[2nPi]+I Sin[2n PI]
so how to force n to be treating n as Integers? Thanks. JME
Here is one way:
In[2]:= Simplify[Exp[2 n Pi I], n \[Element] Integers] Out[2]= 1
