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Integrals
easy
0:00.0
Evaluate
∫
0
π
/
2
cos
(
x
)
d
x
\int_{0}^{\pi/2} \cos(x) \, dx
∫
0
π
/2
cos
(
x
)
d
x
.
A
0
B
1
C
-1
D
1/2
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