kbark
kbark kbark
  • 08-05-2021
  • Mathematics
contestada

URGENT
simplify (sinx+cosx)^2-(sinx-cosx)^2

Respuesta :

msm555
msm555 msm555
  • 08-05-2021

Answer:

Solution given:

  • (sinx+cosx)^2-(sinx-cosx)^2
  • sin²x+2sinxcosx+cos²x-(sin²x-2sinxcosx+cos²)
  • 1+2sinxcosx-1+2sinxcosx
  • 2(2sinxcosx)
  • 2sin2x

Step-by-step explanation:

[note: sin²x+cos²x=1]

Answer Link
Аноним Аноним
  • 08-05-2021

Answer:

(sinx+coax+sinx-cosx) ( sinx+cosx-sinx+cosx)

4sinxcosx

2sin2x

Answer Link

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