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Mathematics
Mathematics
Problem
Evaluate
∫
tan
(
π
4
−
x
)
cos
2
x
tan
3
x
+
tan
2
x
+
tan
x
d
x
\int \frac{\tan\left(\frac{\pi}{4} - x\right)}{\cos^2 x \sqrt{\tan^3 x + \tan^2 x + \tan x}} dx
∫
c
o
s
2
x
t
a
n
3
x
+
t
a
n
2
x
+
t
a
n
x
t
a
n
(
4
π
−
x
)
d
x
.
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