question: The terminal side of an angle, $\theta$ passes through the point $(-4,-6)$. Use the diagram to answer the following question.
  
  Find the value of $\cos \theta$. Rationalise the denominator if necessary.
  
query_wo: Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
  Question: The terminal side of an angle, $\theta$ passes through the point $(-4,-6)$. Use the diagram to answer the following question.
  
  Find the value of $\cos \theta$. Rationalise the denominator if necessary.
  
query_cot: Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
  Question: The terminal side of an angle, $\theta$ passes through the point $(-4,-6)$. Use the diagram to answer the following question.
  
  Find the value of $\cos \theta$. Rationalise the denominator if necessary.
  
question_for_eval: The terminal side of an angle, $\theta$ passes through the point $(-4,-6)$. Use the diagram to answer the following question.
  
  Find the value of $\cos \theta$. Rationalise the denominator if necessary.
  