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Mathematics
Mathematics
Problem
Solve the differential equation
d
y
d
x
+
y
cot
x
=
4
x
cos
x
,
when
y
=
0
,
x
=
π
4
\frac{dy}{dx} + y \cot x = 4x \cos x, \text{ when } y=0, x=\frac{\pi}{4}
d
x
d
y
+
y
cot
x
=
4
x
cos
x
,
when
y
=
0
,
x
=
4
π
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