Find the arc length parameter along the given curve from the point where t 0 by evaluating the integral s t SIV 0 dt Then find the length of the indicated portion of the curve r t 8cos ti 8sintj 3t k where 0 The arc length parameter along the curve starting at t 0 is s t Type an exact answer using radicals as needed The length of the indicated portion of the curve is L Type an exact answer using radicals and as needed CILE