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Express sin 6x-sin 2x in product form.​
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Express sin 6x-sin 2x in product form.​

User Tuomas Laakkonen
by
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1 Answer

1 vote

Answer:

Explanation:

sin C-sin D=2cos ((C+D)/2)sin ((C-D)/2)


sin ~6x-sin ~2x=2cos ~(6x+2x)/(2) sin ~(6x-2x)/(2) \\=2 ~cos~4x~sin~2x

User Rollsbean
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