damitamarie damitamarie

29-04-2020
Mathematics

contestada

Rewrite with only sin x and cos x

Cos 2x*l+sin x

Respuesta :

genesismperez31 genesismperez31

29-04-2020

Answer:

sin(2x) = 2sinxcosx

cos(2x) = cos2x - sin2x

sin(2x) - cos(2x) = 2 sinx cosx - (cos2x - sin2x)

sin(2x) - cos(2x) = 2 sinx cosx -cos2x + sin2x

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