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Mathematics
Mathematics
Problem
Evaluate:
∫
0
π
/
2
cos
x
1
+
cos
x
+
sin
x
d
x
\int_{0}^{\pi/2} \frac{\cos x}{1 + \cos x + \sin x} dx
∫
0
π
/2
1
+
cos
x
+
sin
x
cos
x
d
x
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