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Mathematics
Mathematics
Problem
Find the length of the curve.
r
(
t
)
=
⟨
t
,
3
cos
t
,
3
sin
t
⟩
,
−
5
≤
t
≤
5
\mathbf{r}(t) = \langle t, 3 \cos t, 3 \sin t \rangle, \quad -5 \le t \le 5
r
(
t
)
=
⟨
t
,
3
cos
t
,
3
sin
t
⟩
,
−
5
≤
t
≤
5
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