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  • 10-03-2022
  • Mathematics
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sin (9x-7) = cos (4x-10) what is x​

Respuesta :

dxmartinez114
dxmartinez114 dxmartinez114
  • 10-03-2022

Answer:

sin(9x-8) = cos(4x+7)

sin(9x-8) = sin(90-(4x+7))

sin(9x-8) = sin(83-4x)

9x-8 = 83 - 4x

13x= 91

x=7°

Step-by-step explanation:

tell me if im wrong

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