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Mathematics

10th

grade

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Trigonometric Special Angles

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following are the trigonometric special angles?

    45°, 20°, 0°, 90°, 60°45^{\degree},\ 20^{\degree},\ 0^{\degree},\ 90^{\degree},\ 60^{\degree}

    50°, 20°, 0°, 80°, 60°50^{\degree},\ 20^{\degree},\ 0^{\degree},\ 80^{\degree},\ 60^{\degree}

    0°, 90°, 60°, 35°, 45°\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 35^{\degree},\ 45^{\degree}

    0°, 90°, 60°, 30°, 45°\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 30^{\degree},\ 45^{\degree}

  • 2. Multiple Choice
    30 seconds
    1 pt

     sin45°=?\sin45^{\degree}=?  

    1

     12\frac{1}{2}  

     13\frac{1}{\sqrt{3}}  

     12\frac{1}{\sqrt{2}}  

  • 3. Multiple Choice
    30 seconds
    1 pt

     cos45°=?\cos45^{\degree}=?  

    1

     12\frac{1}{\sqrt{2}}  

     13\frac{1}{\sqrt{3}}  

    0

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