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How does one compute the value the following integral $$ \int_0^1 \int_y^1 \frac{\sin x}{x} dx dy$$

Direct integration involves a non-elementary function (erfc), so a change of variables is necessary. However, I can't figure out any useful one. Any suggestions?

  • 4
    Try switching the limits of integration.2012-10-21

2 Answers 2