0/1 points | Previous Answers SCalcET8 13.3.004. Find the length of the curve. 0 s t T/4 r(t) = cos(2t)i + sin(2t) j + 2 In(cos(t)) k, 1 21n(sec(a))-21n(see(0)) | x 4 Need Help? E- t-11 Talk to a Tutor | Submit Answer Save Progress Practice Another Version
