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Mathematics
Mathematics
Problem
Determine the average value of
f
(
x
)
=
3
cos
(
2
x
)
+
4
f(x)=3\cos(2x)+4
f
(
x
)
=
3
cos
(
2
x
)
+
4
on the interval
[
−
π
2
,
π
2
]
\left[-\dfrac{\pi}{2},\dfrac{\pi}{2}\right]
[
−
2
π
,
2
π
]
. a) 0 b) 7 c) 4 d) 8
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