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Mathematics
Mathematics
Problem
Let
I
=
∫
cos
2
x
sin
x
d
x
I = \int \frac{\sqrt{\cos 2x}}{\sin x} dx
I
=
∫
s
i
n
x
c
o
s
2
x
d
x
,
J
=
∫
d
x
sin
x
cos
2
x
J = \int \frac{dx}{\sin x \sqrt{\cos 2x}}
J
=
∫
s
i
n
x
c
o
s
2
x
d
x
, then evaluate
I
−
J
I - J
I
−
J
.
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