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For these questions, I just don't understand how to find the answer. What procedure must be taken to solve this?

For these questions, I just don't understand how to find the answer. What procedure must be taken to solve this?


  1. Let 0 ≤ θ < 2π such that tan(θ) = − 12 / 5 and cos(θ) = − 5 / 13. Then θ is in what quadrant number? My guess: 3
  2. Let 0 ≤ θ < 2π such that cos(θ) = 12 / 13 and sin(θ) = − 5 / 13. Then θ is in what quadrant number? My guess: 2

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