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Standard XII
Mathematics
Question
∫
π
/
2
π
/
4
C
o
t
x
.
d
x
=
2 log 2
log
√
2
log
2
π
2
log2
A
π
2
log2
B
log
√
2
C
2 log 2
D
log
2
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Solution
Verified by Toppr
∫
π
2
π
4
c
o
t
x
d
x
=
[
l
n
|
s
i
n
x
|
]
π
/
2
π
/
4
=
l
n
∣
∣
∣
s
i
n
(
π
2
)
∣
∣
∣
−
l
n
∣
∣
∣
s
i
n
(
π
4
)
∣
∣
∣
=
l
n
(
1
)
−
l
n
(
1
√
2
)
=
0
−
(
−
l
o
g
(
√
2
)
)
=
l
o
g
(
√
2
)
.
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