Question $6(10$ points$)$

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Using Global Adaptive Quadrature Rule to numerically Integrate

$A={\displaystyle \underset{0}{\overset{5}{}}}(\frac{x^3}{2000}-\frac{sin(x^3)}{3}-co{s}^2(x))dx$

Fill the answer in the blank. Keep $4$ digits after decimal point.

A$=$

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