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Mathematics
Mathematics
Problem
Evaluate
∫
(
1
−
cos
x
)
cos
x
(
1
+
cos
x
)
d
x
.
\int \frac{(1 - \cos x)}{\cos x(1 + \cos x)} dx.
∫
cos
x
(
1
+
cos
x
)
(
1
−
cos
x
)
d
x
.
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