Calculus
−50cot2xcscx-50\(\cot\)^2x\(\csc\) x
25cot2xcscx25\(\cot\)^2x\(\csc\) x
50csc2xcotx50\(\csc\)^2x\(\cot\) x
−25csc2xcotx-25\(\csc\)^2x\(\cot\) x