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Mathematics
Mathematics
Problem
Derive reduction formula for
I
(
n
,
m
)
=
∫
sin
n
x
cos
m
x
d
x
.
I_{(n,m)} = \int \frac{\sin^n x}{\cos^m x} dx.
I
(
n
,
m
)
=
∫
cos
m
x
sin
n
x
d
x
.
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