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help please

  • one year ago
  • one year ago

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  1. huneya
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    find the exact value of the indicated trigonometric function of theta \[\cos \theta=4/7, \tan \theta<0\] fin sin theta

    • one year ago
  2. kyosuke
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    como la tangente es negativa, tienes dos opciones: el angulo pertenece al segundo cuadrante o al tercero ; descartas el segundo cuadrante ya que te dicen que cos θ es positivo ; entonces θ pertenece al tercer cuadrante el angulo que se obtiene es θ=304.8499 grados sexagesimales , aproximadamente. suerte.

    • one year ago
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