Light through two polarizers at 62° angle

[Galahad43]

Homework Statement

Two polarizers are oriented at 62° to one another. Light polarized at a 31° angle to each polarizer passes through both. What reduction in intensity takes place?
___.%

Homework Equations

I=IoCos^2((-))

The Attempt at a Solution

Tried suing the above equation, and got 16%. I don't know how to deal with the fact that light that did not go through the first polarizer is hitting the second one> Please help. Thank you

 

[Doc Al]

Tried suing the above equation, and got 16%.

Sounds good to me.

I don't know how to deal with the fact that light that did not go through the first polarizer is hitting the second one

What do you mean?