nguyencheckff nguyencheckff
  • 13-11-2021
  • Mathematics
contestada

Biểu thức sin²x + cos²x có giá trị bằng ?

Respuesta :

silirobert15
silirobert15 silirobert15
  • 13-11-2021

we have sin²x + cos²x = 1

ok done. Thank to me :>

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