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อัตราส่วนตรีโกณมิติมุมแหลม ม.3

Authored by วิศวัฒน์ ลี้มงคล

Mathematics

9th - 11th Grade

Used 18+ times

อัตราส่วนตรีโกณมิติมุมแหลม ม.3
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18 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sin(30°)\sin\left(30\degree\right)  

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

 3\sqrt{3}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos(30°)\cos\left(30\degree\right)  

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

 3\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 tan(30°)\tan\left(30\degree\right)  

 13\frac{1}{3}  

 33\frac{\sqrt{3}}{3}  

 32\frac{\sqrt{3}}{2}  

 3\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จงหาค่าของ  sin(45°)cos(45°)\sin\left(45\degree\right)-\cos\left(45\degree\right)  

1

0

 32\frac{\sqrt{3}}{2}  

 3\sqrt{3}  

 22+23\frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{3}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จงหาค่าของ  sin2(30°)+cos2(30°)\sin^2\left(30\degree\right)+\cos^2\left(30\degree\right)  

1

0

 32\frac{\sqrt{3}}{2}  

 3\sqrt{3}  

 22+23\frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{3}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จงหาค่าของ  (sin2(30°)+cos2(30°))tan2(45°)\left(\sin^2\left(30\degree\right)+\cos^2\left(30\degree\right)\right)-\tan^2\left(45\degree\right)  

1

0

-1

 3\sqrt{3}  

 3-\sqrt{3}  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt


(ข้อนี้ตอบได้หลายตัวเลือก)
 sin(45°)\sin\left(45\degree\right)  มีค่าเท่าไร


 22\frac{\sqrt{2}}{2}  

 12\frac{1}{\sqrt{2}}  

 12\frac{1}{2}  

2

 2-\sqrt{2}  

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