deletions | additions       diff --git a/section_Reflection_Coefficients_The_reflection__.tex b/section_Reflection_Coefficients_The_reflection__.tex  index 18c2ce5..391d311 100644  --- a/section_Reflection_Coefficients_The_reflection__.tex  +++ b/section_Reflection_Coefficients_The_reflection__.tex 
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\end{equation}  %  \begin{equation}  m_{1} E_{\parallel\mathrm{i}} \mathbf{\hat{t}} - m_{1} E_{\perp\mathrm{i}} \left(-\mathbf{\hat{e}}_{\perp} \left( -\mathbf{\hat{e}}_{\perp}  \cos \theta \theta_{1}  \right) - m_{1}\left(  E_{\parallel\mathrm{r}} \mathbf{\hat{t}} + m_{1} E_{\perp\mathrm{r}} \left( -\mathbf{\hat{e}}_{\perp} \cos \theta \theta_{1}  \right) = m_{2} E_{\parallel\mathrm{t}} \mathbf{\hat{t}} - m_{2} E_{\perp\mathrm{e}} \left( -\mathbf{\hat{e}}_{\perp} \cos \theta \theta_{2}  \right) \end{equation}