Question: How can I plot this field?


I have an electric field as a function of time and space.It is a uniform plane wave.

E(r,t)= 3*cos(w*t-k*z+Pi/4)x+ 2*sin(w*t-k*z-Pi/3)y

where r is the space vector r=xx+yy+zz

x   y and z are unit vectors.

w and k are constants.

How can I plot it?

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