Do I need to know special functions?

Calculus Level 4

Given I=0π/2xsin(x)dx\displaystyle I= \int^{\pi/2}_{0} \frac{x}{\sin (x)} \, dx and J=01tan1(x)xdx\displaystyle J = \int^1_0 \frac{\tan^{-1}( x)}{x}\, dx, find the value of IJ\dfrac I J .

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