There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ -csc(2)(x)\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = -xcsc(2)\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( -xcsc(2)\right)}{dx}\\=&-csc(2) - x*-csc(2)cot(2)*0\\=&-csc(2)\\ \end{split}\end{equation} \]

Your problem has not been solved here? Please take a look at the  hot problems ！