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Student Support Forum > General > > "Simplify"

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Please answer this:8+1 =



Original Message (ID '371440') By Anding:
I incorrectly used "." to mean multiply, but it actually means Dot[]. Should have used "*". In[79]:= Simplify[a*Cos[x]^2 + a*Sin[x]^2, Element[a, Constant]] Out[79]= a