Question: Use the complex representation to find the resultant E = E 1 + E 2 , where E 1 = E 0 cos (k x

Use the complex representation to find the resultant E = E1 + E2, where

E1 = E0 cos (k x + ωt) and E2 = -E0 cos (k x - ωt)

Describe the composite wave.

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