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Mathematics
Mathematics
Problem
Evaluate, to three decimal places, the length of the curve
y
=
ln
(
cos
x
)
y = \ln(\cos x)
y
=
ln
(
cos
x
)
from
x
=
0
x = 0
x
=
0
to
x
=
π
4
x = \dfrac{\pi}{4}
x
=
4
π
.
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