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Problem
Problem
Solve
sin
x
=
0
\sin x = 0
sin
x
=
0
and
sin
x
cos
x
2
cos
3
x
2
=
0
\frac{\sin x}{\cos \frac{x}{2} \cos \frac{3x}{2}} = 0
c
o
s
2
x
c
o
s
2
3
x
s
i
n
x
=
0
and show their solutions are different.
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