CalculusChallengeParametric, Polar and Vector-Valued Functions ShareParametric, Polar and Vector-Valued Functions · Challenge problemFind the exact length of the spiral x=etcost, y=etsintx=e^{t}\cos t,\ y=e^{t}\sin tx=etcost, y=etsint for 0≤t≤π0\le t\le\pi0≤t≤π.A2 (eπ−2)\sqrt2\,(e^{\pi}-2)2(eπ−2)B2 (eπ−0)\sqrt2\,(e^{\pi}-0)2(eπ−0)C2 (eπ−1)\sqrt2\,(e^{\pi}-1)2(eπ−1)D−2 (eπ−1)-\sqrt2\,(e^{\pi}-1)−2(eπ−1)Check Show answer Walk through it step by step Practice more like this Review this concept