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The stateof polarization of light with the electric field vector $$\overrightarrow {\bf{E}} = {\bf{\hat i}}{E_0}\cos \left( {kz - \omega t} \right) - {\bf{\hat j}}{E_0}\cos \left( {kz - \omega t} \right)$$         is

The stateof polarization of light with the electric field vector $$\overrightarrow {\bf{E}} = {\bf{\hat i}}{E_0}\cos \left( {kz - \omega t} \right) - {\bf{\hat j}}{E_0}\cos \left( {kz - \omega t} \right)$$         is Correct Answer linearly polarized at -45° to X-axis

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