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Moldova National Olympiad
2009 Moldova National Olympiad
12.1
12.1
Part of
2009 Moldova National Olympiad
Problems
(1)
Calculate definite integral
Source: National olympiad Moldova 2009
10/5/2015
Calculate
∫
−
π
2
π
2
c
o
s
(
x
)
7
e
x
+
1
d
x
\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \frac{cos(x)^7}{e^x+1} dx
∫
−
2
π
2
π
e
x
+
1
cos
(
x
)
7
d
x
.
Definite integral
cosinus
calculus
integration