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คนิดเสิม ม.3

Authored by poompy studio

Mathematics

8th Grade

Used 1+ times

คนิดเสิม ม.3
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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin⁡30+cos⁡30+tan⁡30 มีค่าเท่าใด\sin30+\cos30+\tan30\ มีค่าเท่าใด

4+23\frac{4+\sqrt[]{2}}{3}

5+32\frac{5+\sqrt[]{3}}{2}

4+2332\frac{4+2\sqrt[]{3}}{3\sqrt[]{2}}

5+323\frac{5+\sqrt[]{3}}{2\sqrt[]{3}}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

กำหนดให้ tan A = 125\frac{12}{5} จงหา sin A

11

512\frac{5}{12}

1112\frac{11}{12}

1213\frac{12}{13}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

จงหาค่าของ tan⁡230+sin⁡230+cos⁡230−cot⁡45\tan^230+\sin^230+\cos^230-\cot45

13\frac{1}{3}

3\sqrt[]{3}

13\frac{1}{\sqrt[]{3}}

23\frac{2}{3}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(sec⁡45+cos⁡45)2−tan⁡37 มีค่าเท่าใด\left(\sec45+\cos45\right)^2-\tan37\ มีค่าเท่าใด

4.5

3.75

3.25

2.85

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ถ้า sin⁡2A+cos⁡2A=1 แล้ว sin⁡2(A+60)+cos⁡2(A+60)มีค่าเท่าใดถ้า\ \sin^2A+\cos^2A=1\ แล้ว\ \sin^2\left(A+60\right)+\cos^2\left(A+60\right)มีค่าเท่าใด

0

1

0.5

12\frac{1}{\sqrt[]{2}}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

กำหนด 15sinA = 9 แล้ว 5sinA + 5cosA - 4tanA มีค่าตรงกับข้อใด

1

2

3

4

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

ค่าของ sin245° +cos230° +sec260°-tan260°+sin230°+cos245° มีค่าตรงกับข้อใด

(a)  

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