Respuesta :

Answer:

x = 90

Step-by-step explanation:

We know based on the trigonometric identity that :

  • tan 45° = 1

Here, it's given : tan (x - 45)° = 1

Equating

  • tan 45 = tan (x - 45) [both are equal to 1]
  • 45 = x - 45
  • x = 90

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