Trigonometry G.11

Trigonometry G.11

11th Grade

10 Qs

quiz-placeholder

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Trigonometry G.11

Trigonometry G.11

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

รักดี วิชาการ

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

จากภาพ ข้อใดต่อไปนี้ถูกต้อง

sin21°= cos69°\sin21^{\degree}=\ \cos69^{\degree}

sin21°= sin21°\sin21^{\degree}=\ \sin21^{\degree}

cos21°= tan21°\cos21^{\degree}=\ \tan21^{\degree}

tan21°= cos69°\tan21^{\degree}=\ \cos69^{\degree}

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

 cosec30°(sin31°sin35°cos35°cos59°)tan55°\operatorname{cosec}30^{\degree}\left(\frac{\sin31^{\degree}\sin35^{\degree}}{\cos35^{\degree}\cos59^{\degree}}\right)\tan55^{\degree}  

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

กำหนดให้ ABC เป็นสามเหลี่ยมที่มีมุม B เป็นมุมฉาก ถ้า  cotA=125\cot A=\frac{12}{5} เมื่อ  π<A<3π2\pi<A<\frac{3\pi}{2}  แล้ว  10cosecA+12secA10\operatorname{cosec}A+12\sec A  มีค่าเท่าใด

4.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

ถ้า (sinθ+cosθ)2=32\left(\sin\theta+\cos\theta\right)^2=\frac{3}{2}  เมื่อ  θ  Q1\theta\ \in\ Q1  แล้ว  tan3θ\tan3\theta  มีค่าเท่าใด

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 sin(π2+arccos 32)\sin\left(\frac{\pi}{2}+\arccos\ \frac{\sqrt{3}}{2}\right)  มีค่าเท่าใด

 12\frac{1}{2}  

 12-\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 32-\frac{\sqrt{3}}{2}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 tan(π4+arcsin (35))\tan\left(\frac{\pi}{4}+\arcsin\ \left(-\frac{3}{5}\right)\right)  มีค่าเท่ากับเท่าใด

 17-\frac{1}{7}  

 19-\frac{1}{9}  

 17\frac{1}{7}  

 19\frac{1}{9}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ถ้า  sin3θ+sinθ=14sin3θ\sin3\theta+\sin\theta=1-4\sin^3\theta  แล้ว  sinθ\sin\theta  มีค่าเท่ากับเท่าไหร่

 12\frac{1}{2}  

 13\frac{1}{3}  

 14\frac{1}{4}  

 15\frac{1}{5}  

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