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  • 08-12-2017
  • Mathematics
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Write sin(2x) cos(6x) as a sum of trigonometric functions.

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Аноним Аноним
  • 08-12-2017
use the identity 

sin u cos v  = 1/2(sin (u + v) + sin(u - v))
so its:-

1/2(sin(8x) + sin (-4x))  Answer

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