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Mathematics
Mathematics
Problem
Let
r
(
t
)
=
⟨
e
2
t
,
sin
t
⟩
\mathbf r(t)=\langle e^{2t},\sin t\rangle
r
(
t
)
=
⟨
e
2
t
,
sin
t
⟩
. Determine
r
′
(
π
/
2
)
\mathbf r'(\pi/2)
r
′
(
π
/2
)
.
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