2 sin x - x sin x = ?
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1
Answer:
There are other answers, for example,
since
sin
2
(
x
)
+
cos
2
(
x
)
=
1
you could write
sin
(
x
)
×
sin
(
x
)
=
1
−
cos
2
(
x
)
(but that's not much of a simplification)
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