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Integrals
medium
0:00.0
Evaluate
∫
0
π
cos
2
(
x
)
d
x
\int_0^{\pi} \cos^2(x) \, dx
∫
0
π
cos
2
(
x
)
d
x
.
A
π
/
2
\pi/2
π
/2
B
π
\pi
π
C
0
0
0
D
2
π
2\pi
2
π
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