Answer:
(2sinx-1) (cosx-2)
Explanation:
sin 2x=2sinxcosx
2sinxcosx-4sinx-cosx+2=
2sinxcosx-cosx+2-4sinx=
cosx (2sinx-1) +2-4sinx=
cosx(2sinx-1) +2(1-2sinx) =
cosx (2sinx-1) -2(2sinx-1) =
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