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Trigonometry function

Authored by Attawut Art-Oum

Mathematics

11th Grade

Used 20+ times

Trigonometry function
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ถ้า sec θ\theta  =108=\frac{10}{-8}  และ  θQ3\theta\in Q_3  แล้วค่าของ  cosθ+sinθ\cos\theta+\sin\theta  มีค่าเท่ากับข้อใด

 35\frac{3}{5}  

 15\frac{1}{5}  

 15\frac{-1}{5}  

 35\frac{-3}{5}  

 5-5  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ถ้า sinA=12\sin A=\frac{1}{\sqrt{2}}  และ  AQ2A\in Q_2  แล้วค่าของ  cosA\cos A  มีค่าเท่ากับข้อใด

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 2\frac{-\sqrt{2}}{ }  

 12\frac{1}{\sqrt{2}}  

 22-\frac{\sqrt{2}}{2}  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ค่าของ sin150°\sin150^{\degree}  คือข้อใด

 12\frac{1}{2}  

 32-\frac{\sqrt{3}}{2}  

 13\frac{1}{\sqrt{3}}  

 32\frac{\sqrt{3}}{2}  

 12-\frac{1}{2}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ค่าของ cos 5π4\cos\ \frac{5\pi}{4}  คือข้อใด

 11  

 32\frac{\sqrt{3}}{2}  

 12\frac{-1}{2}  

 22\frac{-\sqrt{2}}{2}  

 22\frac{\sqrt{2}}{2}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ค่าของ sin230°+cos230°\sin^230^{\degree}+\cos^230^{\degree}  มีค่าเท่ากับข้อใด

  1+32\frac{1+\sqrt{3}}{2}  

 11  

 1-1  

 22  

 32\frac{\sqrt{3}}{2}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ค่าของ sin(30°)cot40°cot50°\sin\left(-30^{\degree}\right)\cdot\cot40^{\degree}\cdot\cot50^{\degree}  มีค่าเท่ากับข้อใด

 11  

 00  

 1-1  

 12\frac{1}{2}  

 12-\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ค่าของ cos320°+cos340°+cos360°++cos3160°\cos^320^{\degree}+\cos^340^{\degree}+\cos^360^{\degree}+…+\cos^3160^{\degree}  คือข้อใด

 00  

 11  

 1-1  

 12\frac{1}{2}  

 12-\frac{1}{2}  

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