Problem:
Differentiate the following function:
$\log \left(\sqrt{-3 x-7}\right) (-\csc (3-6 x))$
Answer:
$-\frac{3 \csc (3-6 x) (2 (3 x+7) \log (-3 x-7) \cot (3-6 x)+1)}{6 x+14}$
{'source': 'AMPS', 'file': 'amps/mathematica/calculus/derivatives/17056.txt'}