There are 1 questions in this calculation: for each question, the 1 derivative of X is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ \frac{2(3.14 + \frac{314(X)}{50} - 50)}{3.14} + sin(\frac{3.14(X - 50)}{50})\ with\ respect\ to\ X：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 4X + sin(0.0628X - 3.14) - 29.8471337579618\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 4X + sin(0.0628X - 3.14) - 29.8471337579618\right)}{dX}\\=&4 + cos(0.0628X - 3.14)(0.0628 + 0) + 0\\=&0.0628cos(0.0628X - 3.14) + 4\\ \end{split}\end{equation} \]

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