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## Homework Statement

The problem about this is, which Fresnel Equation am I supposed to use?

Show that the brewster's angle is

[tex]\tan(\theta)=\frac{n_{2}}{n_{1}}[/tex]

but which Fresnel equation do you use

Problem: Using the correct Fresnel Equation using (plugging in) the transmitted angle [tex]\theta_{2}[/tex]

## Homework Equations

I figured, If I know the correct Fresnel equation, I would be able to just set my other angle equal to 90 and then I would be able to just solve for [tex]\theta[/tex] and then it would yield [tex]\tan[/tex] of [tex]\theta_{2}[/tex] using Snell's Formula

show or rather derive the Brewster's angle

## The Attempt at a Solution

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