(Solved): Unpolarized light with initial intensity I0 goes through two polarization filters and is found t ...

Unpolarized light with initial intensity $I_0$ goes through two polarization filters and is found to have a final intensity of 0.210 . At what angle in degrees was the polarization axis of the second polarizing filter with respect to the first? 50.7685 margin of error $+/?1\%$