Problem:
Differentiate the following function:
$\sin \left(5 x^2\right) \left(-\cot \left(6-7 x^2\right)\right)$
Answer:
$-2 x \left(5 \cos \left(5 x^2\right) \cot \left(6-7 x^2\right)+7 \sin \left(5 x^2\right) \csc ^2\left(6-7 x^2\right)\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/calculus/derivatives/42011.txt'}