- #1

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## Homework Statement

I have to use this in my calculation [tex]\theta=\tan^{-1}\left(\frac{19 \pm 1}{47 \pm 1}\right)[/tex] where both are in mm. How would I get this into [itex]\theta\pm \text{error}[/itex]?

## Homework Equations

shown above

## The Attempt at a Solution

looked through my lab manual, it wasn't there.