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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