A beam of light traveling horizontally is made of an Unpolarized component with intensity I0 and a polarized component with intensity Ip. The plane of polarization of the polarized component is oriented at an angle of 6 with respect to the vertical. The data in the table give the intensity measured through a polarizer with an orientation of ? with respect to the vertical.(a) What is the orientation of the polarized component? (That is, what is the angle ??)(b) What are the values of I0 and Ip?

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$(°) 0 10 20 30 40 50 60 70 80 90 Itotal (W/m²) 18.4 21.4 23.7 24.8 24.8 23.7 21.4 18.4 15.0 11.6 $(°) 100 110 120 130 140 150 160 170 180 I total (W/m²) 8.6 6.3 5.2 5.2 6.3 8.6 11.6 15.0 18.4