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Problems
Let
I
=
2
∫
sin
x
sin
(
x
−
π
4
)
d
x
I = \sqrt{2} \int \frac{\sin x}{\sin \left( x - \frac{\pi}{4} \right)} \, dx
I
=
2
∫
s
i
n
(
x
−
4
π
)
s
i
n
x
d
x
Mathematics
Problem
Let
I
=
2
∫
sin
x
sin
(
x
−
π
4
)
d
x
I = \sqrt{2} \int \frac{\sin x}{\sin \left( x - \frac{\pi}{4} \right)} \, dx
I
=
2
∫
s
i
n
(
x
−
4
π
)
s
i
n
x
d
x
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