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Mathematics
Mathematics
Problem
∫
sin
3
x
sin
x
d
x
=
\int \frac{\sin 3x}{\sin x}\,dx =
∫
s
i
n
x
s
i
n
3
x
d
x
=
(a)
x
+
sin
2
x
+
c
x + \sin 2x + c
x
+
sin
2
x
+
c
(b)
3
x
+
sin
2
x
+
c
3x + \sin 2x + c
3
x
+
sin
2
x
+
c
(c)
3
x
+
sin
2
x
+
c
3x + \sin^2 x + c
3
x
+
sin
2
x
+
c
(d) None of these (a)
x
+
sin
2
x
+
c
x + \sin 2x + c
x
+
sin
2
x
+
c
(b)
3
x
+
sin
2
x
+
c
3x + \sin 2x + c
3
x
+
sin
2
x
+
c
(c)
3
x
+
sin
2
x
+
c
3x + \sin^2 x + c
3
x
+
sin
2
x
+
c
(d) None of these
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