Answer Happy

I just need help finding part D on 12 and E on 14.
i need 12 D and 14 E please.
A beam of unpolarized light passes through Two Polarizers, as shown in the figure The intensity of the beam, after passing the second polarizer changes to Izoce ​= 19.83 W/m2. What should be the new value of the angle " f in the Malus's Law Itransmitted ​=Iinaident ​(cosθ)2? Enter an integer. The intensily of the iaser Deam is yo.0 w/m− Part D - New situation The red angle "60" in the second polarizer in the firgure should change to what value? Enter an integer. स Incorrect; Try Again; 2 attempts remaining
A beam of unpolarized light passes through Three Part D - New situation Polarizers, as shown in the figure The intensity of the beam, after passing the. Third polarizer changes fo I3 sew ​= 19.71 W/m2. What should be the new value of the angle " θ ' for polarier 3 in the Malus's Law Itransuitteil ​=Iinnident ​(cosθ)2 ? Enter an integer, Part E - New situation The red angle "25" in the 3rd polarizer in the firgure should change to what value? Enter an integer, X. Incorrect; Try Again; 3 attempts remaining