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Mathematics
Problem
By using the properties of definite integrals, evaluate the integrals in Exercises 1 to 19. 12.
∫
0
π
x
d
x
1
+
sin
x
\int_{0}^{\pi} \frac{x d x}{1+\sin x}
∫
0
π
1
+
s
i
n
x
x
d
x
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