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Mathematics
Mathematics
Problem
The general solution of
sin
x
−
3
sin
2
x
+
sin
3
x
=
cos
x
−
3
cos
2
x
+
cos
3
x
\sin x - 3 \sin 2x + \sin 3x = \cos x - 3 \cos 2x + \cos 3x
sin
x
−
3
sin
2
x
+
sin
3
x
=
cos
x
−
3
cos
2
x
+
cos
3
x
is
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