A sinusoidal electromagnetic wave at an instant $\backslash ($ t $\backslash )$ is shown below. The orange arrows represent the electric field measured at locations along the $\backslash ($ x $\backslash )$ axis, and the blue$-$green arrows represent the magnetic field measured at locations along the $\backslash (+$z $\backslash )$ axis. The distance $\backslash ($ d $\backslash )$ is $0\mathrm{.}46$ m $.$

Part $1$

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What is the direction of propagation of the wave?