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สอบกลางภาค ม.5

Authored by สุพจี ไชยรัตน์

Mathematics

11th Grade

Used 10+ times

สอบกลางภาค ม.5
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1. sinπ6 cos π31.ข้อใดเป็นค่าของ\ \sin\frac{\pi}{6}\ \cos\ \frac{\pi}{3}  

 12\frac{1}{2}  

 14\frac{1}{4}  

 32\frac{3}{2}  

 34\frac{3}{4}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2.ข้อใดถูกต้อง

 sin 5π8=sin 3π8\sin\ \frac{5\pi}{8}=\sin\ \frac{3\pi}{8}  

 sin 5π8=sin 3π8\sin\ \frac{5\pi}{8}=\sin\ \frac{-3\pi}{8}  

 sin 5π8=sin 5π8\sin\ \frac{5\pi}{8}=\sin\ \frac{-5\pi}{8}  

 sin 5π8=sin 3π8\sin\ \frac{5\pi}{8}=-\sin\ \frac{3\pi}{8}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3.ข้อใดกล่าวถูกต้อง

 cos 9π7=cos2π7\cos\ \frac{9\pi}{7}=\cos\frac{2\pi}{7}  

 cos 9π7=cos2π7\cos\ \frac{9\pi}{7}=\cos\frac{-2\pi}{7}  

 cos 9π7=cos9π7\cos\ \frac{9\pi}{7}=-\cos\frac{9\pi}{7}  

 cos 9π7=cos2π7\cos\ \frac{9\pi}{7}=-\cos\frac{2\pi}{7}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4. 5π24.ข้อใดเป็นจุดปลาย\ \frac{5\pi}{2}  


(1,0)

(0,1)

(-1,0)

(0,-1)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 5. sin 43π65.ข้อใดเป็นค่า\ \sin\ \frac{43\pi}{6}  


 32\frac{\sqrt{3}}{2}  

 32\frac{-\sqrt{3}}{2}  

 12\frac{1}{2}  

 12-\frac{1}{2}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 6. 150° 6.มุมขนาด\ 150\degree\ เท่ากับกี่เรเดียน  

 2π3\frac{2\pi}{3}  

 3π4\frac{3\pi}{4}  

 4π5\frac{4\pi}{5}  

 5π6\frac{5\pi}{6}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 7. cos (2ππ6)  7.\ \cos\ \left(2\pi-\frac{\pi}{6}\right)\ \ เท่ากับข้อใด  

 32\frac{\sqrt{3}}{2}  

 32-\frac{\sqrt{3}}{2}  

 12\frac{1}{2}  

 12-\frac{1}{2}  

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