- #1

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## Homework Statement

## Homework Equations

## The Attempt at a Solution

the answer given is the same but without the negative sign, I don't understand because the crossproduct of unit vectors

when using a Cartesian coordinates of the directions given by the right-hand rule? Is the positive z direction pointing out of the page if X and Y are as follows

apologies if this is in the wrong section, thanks for any help in advance