Mathematics

9th

grade

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ม.3 ตรีโกณมิติ2 sin cos tan 30 45 60

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  • 1. Multiple Choice
    30 seconds
    1 pt

     sin 30°=...\sin\ 30\degree=...  

     12\frac{1}{2}  

     22\frac{\sqrt{2}}{2}  

     13\frac{1}{\sqrt{3}}  

     32\frac{\sqrt{3}}{2}  

  • 2. Multiple Choice
    30 seconds
    1 pt

     sin 45°=...\sin\ 45\degree=...  

     12\frac{1}{2}  

     22\frac{\sqrt{2}}{2}  

     13\frac{1}{\sqrt{3}}  

     32\frac{\sqrt{3}}{2}  

  • 3. Multiple Choice
    30 seconds
    1 pt

     sin 60°=...\sin\ 60\degree=...  

     12\frac{1}{2}  

     22\frac{\sqrt{2}}{2}  

     13\frac{1}{\sqrt{3}}  

     32\frac{\sqrt{3}}{2}  

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