what is the use of representing wavefunctions say [tex]\psi(x,t)=A\cos(kx-\omega t)[/tex] by [tex]\psi(x,t)=Ae^{i(kx-\omega t)}[/tex] when we actually mean the real part(adsbygoogle = window.adsbygoogle || []).push({});

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# What is the use of representing wavefunctions as an exponential?

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