There are 1 questions in this calculation: for each question, the 1 derivative of x is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ 16tan(x){sec(x)}^{4} + 8{tan(x)}^{3}{sec(x)}^{2}\ with\ respect\ to\ x：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 16tan(x)sec^{4}(x) + 8tan^{3}(x)sec^{2}(x)\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 16tan(x)sec^{4}(x) + 8tan^{3}(x)sec^{2}(x)\right)}{dx}\\=&16sec^{2}(x)(1)sec^{4}(x) + 16tan(x)*4sec^{4}(x)tan(x) + 8*3tan^{2}(x)sec^{2}(x)(1)sec^{2}(x) + 8tan^{3}(x)*2sec^{2}(x)tan(x)\\=&16sec^{6}(x) + 88tan^{2}(x)sec^{4}(x) + 16tan^{4}(x)sec^{2}(x)\\ \end{split}\end{equation} \]

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