There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ cot(3)lg(3){x}^{3}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = x^{3}lg(3)cot(3)\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( x^{3}lg(3)cot(3)\right)}{dx}\\=&3x^{2}lg(3)cot(3) + \frac{x^{3}*0cot(3)}{ln{10}(3)} + x^{3}lg(3)*-csc^{2}(3)*0\\=&3x^{2}lg(3)cot(3)\\ \end{split}\end{equation} \]

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