The length of a curve in polar coordinates can be found using the formula:
\[ L = \int_{\alpha}^{\beta} \sqrt{r^2 + \left(\frac{dr}{d\theta}\right)^2} \, d\theta \]
where \( \alpha \) and \( \beta \) are the limits of integration, in this case, \( \alpha = 0 \)
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