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Mathematics
Mathematics
Problem
The value of
∫
0
π
∣
cos
x
∣
d
x
\int_{0}^{\pi} |\cos x| dx
∫
0
π
∣
cos
x
∣
d
x
is (1) 2 (2)
3
2
\frac{3}{2}
2
3
(3) 1 (4) 0
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