$($Oblique Incidenceelectric field$).E_i=(10a_y+5a_z)cos(t+2y-4z)[\frac{V}{m}].$

$.(.)(65$ points$)$

$($a$)y($wavenumber$),k_{y}z($wavenumber$),k_z()().(10$ points$)$

$($b$)($Magnetic field, $H_i).(10$ points$)$

$($c$).,P_{av}=\frac{1}{2}Re[E_i{H}_i^{**}].[](10$ points$)$

$($d$)2{}_2=0,{}_2=4{}_0,{}_2={}_0({}_i)({}_r)({}_t).(10$ points$)$

$($e$)?($Perpendicular or Parallel$)?(10$ points$)$

$($f$).,.(10$ points$)E_t=[(?)a_y+(??)a_z]cos(t+2y-(???)z)[\frac{V}{m}]$

$($g$)$ Brewster Angle$??(5$ points$)$