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ฟังก์ชันตรีโกณมิติ

Authored by ลักขณา คุณะนาม

Mathematics

11th Grade

Used 25+ times

ฟังก์ชันตรีโกณมิติ
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  3π2 พิกัดของ\ \frac{3\pi}{2}\ ตรงกับข้อใด  

(0, 1)

(1, 0)

(-1, 0)

(0, -1)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  5π4 พิกัดของ\ \frac{5\pi}{4}\ ตรงกับข้อใด  

 (22, 22)\left(\frac{\sqrt{2}}{2},\ \frac{\sqrt{2}}{2}\right)  

 (22, 22)\left(-\frac{\sqrt{2}}{2},\ \frac{\sqrt{2}}{2}\right)  

 (22, 22)\left(-\frac{\sqrt{2}}{2},\ -\frac{\sqrt{2}}{2}\right)  

 (22, 22)\left(\frac{\sqrt{2}}{2},\ -\frac{\sqrt{2}}{2}\right)  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  π2 พิกัดของ\ -\frac{\pi}{2}\ ตรงกับข้อใด  

(1, 0)

(0, 1)

(-1, 0)

(0, -1)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  5π6 พิกัดของ\ \frac{5\pi}{6}\ ตรงกับข้อใด  

 (32, 12)\left(\frac{\sqrt{3}}{2},\ \frac{1}{2}\right)  

 (32, 12)\left(-\frac{\sqrt{3}}{2},\ \frac{1}{2}\right)  

 (32, 12)\left(-\frac{\sqrt{3}}{2},\ -\frac{1}{2}\right)  

 (32, 12)\left(\frac{\sqrt{3}}{2},\ -\frac{1}{2}\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  cos(44π3)+tan(51π4) ค่าของ\ \cos\left(\frac{44\pi}{3}\right)+\tan\left(\frac{51\pi}{4}\right)\ ตรงกับข้อใด  

 122\frac{-1-\sqrt{2}}{2}  

 1+22\frac{-1+\sqrt{2}}{2}  

 12-1-\sqrt{2}  

 1+2-1+\sqrt{2}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  sin210°+cos150°+tan30° ค่าของ\ \sin210^{\degree}+\cos150^{\degree}+\tan30^{\degree}\ คือข้อใด  

 3+123\frac{\sqrt{3}+1}{2\sqrt{3}}  

 3123\frac{-\sqrt{3}-1}{2\sqrt{3}}  

 316\frac{-\sqrt{3}-1}{\sqrt{6}}  

 3123\frac{\sqrt{3}-1}{2\sqrt{3}}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  cosec2(315°)+cos2(120°) ค่าของ\ \operatorname{cosec}^2\left(-315^{\degree}\right)+\cos^2\left(120^{\degree}\right)\ ตรงกับข้อใด  

 32\frac{\sqrt{3}}{2}  

 56\frac{5}{6}  

 94\frac{9}{4}  

 32\frac{3}{2}  

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