SophilaGalabhi
SophilaGalabhi SophilaGalabhi
  • 21-06-2016
  • Mathematics
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sinxcosy = 1/2 (sin(x+y)+cos (x-y))

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Аноним Аноним
  • 21-06-2016
(1/2) [SIN(X-Y)-SIN(X+Y)]= COS(X)SIN(Y)
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