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Mathematics
Mathematics
Problem
The value of
∫
−
2
π
5
π
cot
−
1
(
tan
x
)
d
x
\int_{-2\pi}^{5\pi} \cot^{-1}(\tan x) dx
∫
−
2
π
5
π
cot
−
1
(
tan
x
)
d
x
is equal to a.
7
π
2
\frac{7\pi}{2}
2
7
π
b.
7
π
2
2
\frac{7\pi^2}{2}
2
7
π
2
c.
3
π
2
\frac{3\pi}{2}
2
3
π
d.
π
2
\pi^2
π
2
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