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- Homework Statement
- Hi, I need help ASAP with finding the uncertainty of n i've been trying for an hour to figure out how to tackle this question can I please have some guidance as to how to approach the question?!! Thanks in advance.

- Relevant Equations
- n=(Sin((Dm + a)/2))/(Sin(a/2))

i'm thinking of differentiating the inside of both sin functions but I'm not sure what to do with the sin. if anything, I'm new to this sort of uncertainty calculation. I have calculated the uncertainty and values for both Dm and a in advance.