Problem:
Find the curl of the vector field $f(x,y,z)\uvec{i} + g(x,y,z)\uvec{j} + h(x,y,z)\uvec{k}$ where $f(x,y,z) = \cos (y)$, $g(x,y,z) = z$, and $h(x,y,z) = \tan (x-z)$
Answer:
$\left\{-1,-\sec ^2(x-z),\sin (y)\right\}$
{'source': 'AMPS', 'file': 'amps/mathematica/calculus/curl/48498.txt'}