I tried using the arc length formula $\int_{x_a}^{x_b}\sqrt{f'(x)+1}dx$ for this function: $\tan(\ln(x))$.The result I get: $$\int\frac{\sqrt{\sec^4(\ln(x))+x^2}}{x}dx$$ (I'm just trying to find the general formula for now). I don't know how to integrate this.
2026-05-14 10:07:31.1778753251
Question about arc length of tan(ln(x))?
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