Respuesta :

mhanifa

Answer:

  • a) IV
  • b) I

Step-by-step explanation:

Use the handy chart in attachment

a)

  • cot θ is negative in II and IV
  • cos θ is positive I and IV
  • Common quadrant is IV

b)

  • sin θ is positive in I and II
  • sec θ is positive in I and IV
  • Common quadrant is I
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