so my given is 1.52 20degrees = 1.10 sin r(adsbygoogle = window.adsbygoogle || []).push({});

im trying to find sin r which comes out to 18.9 degrees but im not sure how find that, can somebody help me out please?

so you do 1.10/1.52

do you divide that into sin 20?

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# Homework Help: Snells law

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