Find the length of the curve. $y=2 \ln \left(\sin \frac{x}{2}\right), \frac{\pi}{5} \leq x \leq \pi$
A) $\ln (2+\sqrt{5})$
B) $\ln (\sqrt{5})$
C) $\ln (5)$
D) $\ln (2 \sqrt{5})$
E) None of these

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The Answer of Find the length of the curve. $y=2 \ln \left(\sin \frac{x}{2}\right), \frac{\pi}{5} \leq x \leq \pi$
A) $\ln (2+\sqrt{5})$
B) $\ln (\sqrt{5})$
C) $\ln (5)$
D) $\ln (2 \sqrt{5})$
E) None of these

Find the Length of the Curve y=2ln⁡(sin⁡x2),π5≤x≤πy=2 \ln \left(\sin \frac{x}{2}\right), \frac{\pi}{5} \leq x \leq \piy=2ln(sin2x​),5π​≤x≤π

Find the Length of the Curve $y=2 \ln \left(\sin \frac{x}{2}\right), \frac{\pi}{5} \leq x \leq \pi$