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∫
0
π
2
cos
2
x
cos
2
x
+
4
sin
2
x
d
x
\int_0^{\frac{\pi}{2}} \frac{\cos^2 x}{\cos^2 x + 4 \sin^2 x} \, dx
∫
0
2
π
cos
2
x
+
4
sin
2
x
cos
2
x
d
x
Mathematics
Problem
∫
0
π
2
cos
2
x
cos
2
x
+
4
sin
2
x
d
x
\int_0^{\frac{\pi}{2}} \frac{\cos^2 x}{\cos^2 x + 4 \sin^2 x} \, dx
∫
0
2
π
cos
2
x
+
4
sin
2
x
cos
2
x
d
x
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