作sin(x)在x=0处的5阶、10阶泰勒级数展开，用展开式计算并绘制[-2π, 2π]的曲线，并把5阶、10阶、sin(x)绘制在同一坐标下进行比较。-For sin (x) at x = 0 at the 5 order, the 10-order Taylor series expansion and draw [-2π, 2π] curve, and 5 order, order 10, sin (x) is plotted in the same coordinate comparis