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Mathematics
Mathematics
Problem
If
sin
x
+
cos
x
sin
x
−
cos
x
=
2
\frac{\sin x + \cos x}{\sin x - \cos x} = 2
sin
x
−
cos
x
sin
x
+
cos
x
=
2
find
sin
2
x
\sin 2x
sin
2
x
.
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