Instrucciones: Responde las siguientes preguntas.

• Identifica la opción correcta.
  • \(\sec \left ( -39^{\circ} \right ) = \sec \left ( 39^{\circ} \right )\)
  • \(\sec \left ( -39^{\circ} \right ) = -\csc \left ( 39^{\circ} \right )\)
  • \(\sec \left ( -39^{\circ} \right ) = \csc \left ( 39^{\circ} \right )\)
  • \(\sec \left ( -39^{\circ} \right ) = -\sec \left ( 39^{\circ} \right )\)

• Identifica la opción correcta.
  • \(\cos \left ( -50^{\circ} \right ) = \cos \left ( 50^{\circ} \right )\)
  • \(\cos \left ( -50^{\circ} \right ) = \mbox{sen} \left ( 50^{\circ} \right )\)
  • \(\cos \left ( -50^{\circ} \right ) = -\mbox{sen} \left ( 50^{\circ} \right )\)
  • \(\cos \left ( -50^{\circ} \right ) = -\cos \left ( 50^{\circ} \right )\)

• Identifica la opción correcta.
  • \(\cot \left ( -83^{\circ} \right ) = \cot \left ( 83^{\circ} \right )\)
  • \(\cot \left ( -83^{\circ} \right ) = \tan \left ( 83^{\circ} \right )\)
  • \(\cot \left ( -83^{\circ} \right ) = -\tan \left ( 83^{\circ} \right )\)
  • \(\cot \left ( -83^{\circ} \right ) = -\cot \left ( 83^{\circ} \right )\)

• Identifica la opción correcta.
  • \(\tan \left ( -24^{\circ} \right ) = -\cot \left ( 24^{\circ} \right )\)
  • \(\tan \left ( -24^{\circ} \right ) = \tan \left ( 24^{\circ} \right )\)
  • \(\tan \left ( -24^{\circ} \right ) = \cot \left ( 24^{\circ} \right )\)
  • \(\tan \left ( -24^{\circ} \right ) = -\tan \left ( 24^{\circ} \right )\)

• Identifica la opción correcta.
  • \(\csc \left ( -16^{\circ} \right ) = -\sec \left ( 16^{\circ} \right )\)
  • \(\csc \left ( -16^{\circ} \right ) = -\csc \left ( 16^{\circ} \right )\)
  • \(\csc \left ( -16^{\circ} \right ) = \sec \left ( 16^{\circ} \right )\)
  • \(\csc \left ( -16^{\circ} \right ) = \csc \left ( 16^{\circ} \right )\)