Displays the region of integration for an iterated integral[math]\int^{\beta}_{\alpha}\int^{r_2\left(\theta\right)}_{r_1\left(\theta\right)}f[/math][math]r[/math][math]dr[/math][math]d\theta[/math] (where [math]\theta[/math] is represented by [math]t[/math] on the applet).[br][br]Does not distinguish between area counted positively and counted negatively (so the same graph will show if [math]r_1[/math] and [math]r_2[/math] are switched).

Type "Polar 1" to find in phone app.[color=#0000ff][br]https://www.geogebra.org/classic/djyqrabw[/color]