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8-44.
  1. For each equation, find two solutions 0° ≤ θ < 360°, which make the equation true. You should not need a calculator. Homework Help ✎
    Without using a calculator icon

    1. sin θ =

    2. tan θ =

    3. cos θ =

    4. sin θ = −

Draw and label a unit circle for each.

30° and 150°

60°

30°

225°