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Mathematics
Mathematics
Problem
A particle moves such that its displacement is
x
=
6
sin
(
2
t
)
x = 6 \sin(2 t)
x
=
6
sin
(
2
t
)
metres. Find its instantaneous speed when
t
=
π
4
s
t = \dfrac{\pi}{4}\,\text{s}
t
=
4
π
s
.
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