1) Draw the angle in standard position: α = −320°
−320° + 360° = 40°
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2) Draw the angle in standard position: α = −490°
−490° + 360° = 130°
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3) Draw the angle in standard position: α = 31π18
31π18 × 180π = 310°
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4) Draw the angle in standard position: α = 11π6
11π6 × 180π = 330°
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5) Draw the angle in standard position: α = −38π9
−38π9 × 180π = −760°
−760° + 360° = −400°
−400° + 360° = −40°
−40° + 360° = 320°
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6) Draw the angle in standard position: α = −55π18
−55π18 × 180π = −550°
−550° + 360° = −190°
−190° + 360° = 170°
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7) Draw the angle in standard position: α = −23π9
−23π9 × 180π = −460°
−460° + 360° = −100°
−100° + 360° = 260°
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8) Draw the angle in standard position: α = −440°
−440° + 360° = −80°
−80° + 360° = 280°
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9) Draw the angle in standard position: α = −390°
−390° + 360° = −30°
−30° + 360° = 330°
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10) Draw the angle in standard position: α = −5π2
−5π2 × 180π = −450°
−450° + 360° = −90°
−90° + 360° = 270°
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