$\vec{E}$

$\vec{B}$

$x$

$\vec{E}(x,t) = E_0 \sin(kx - \omega t) \hat{j}$

$\vec{B}(x,t) = B_0 \sin(kx - \omega t) \hat{k}$

$c = \frac{1}{\sqrt{\mu_0 \varepsilon_0}}$