Solution Found!
Arc length calculations Find the length of the
Chapter 11, Problem 8E(choose chapter or problem)
QUESTION:
7-18. Arc length calculations Find the length of the following two- and three-dimensional curves.
\(\mathbf{r}(t)=\langle 4 \cos 3 t, 4 \sin 3 t\rangle, \text { for } 0 \leq t \leq 2 \pi / 3\)
Questions & Answers
QUESTION:
7-18. Arc length calculations Find the length of the following two- and three-dimensional curves.
\(\mathbf{r}(t)=\langle 4 \cos 3 t, 4 \sin 3 t\rangle, \text { for } 0 \leq t \leq 2 \pi / 3\)
ANSWER:Solution 8E
We first need the tangent vector and its magnitude
Step 1: