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