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4-124.
  1. Find all values of θ that satisfy the equations below. Assume 0 ≤ θ ≤ 2. Use exact values. Homework Help ✎
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    1. sin θ =

    2. cos θ = square root of 2

    3. tan θ = square root of 3

    4. csc θ = square root of 2

Draw a unit circle. In which quadrants is sine negative?

1. What special angle is this?
2. In which quadrants is cosine positive?