Тригонометриялық формулалар

Тригонометриялық формулалар

9th Grade

7 Qs

quiz-placeholder

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Тригонометриялық формулалар

Тригонометриялық формулалар

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Gulim Ayasheva

Used 3+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 3cosβsinβ\sqrt{3}\cos\beta-\sin\beta  өрнегінің ең кіші мәнін табыңыз

-1

0

 3-\sqrt{3}  

-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin71°cos11°cos71°sin11°\sin71\degree\cos11\degree-\cos71\degree\sin11\degree  өрнегінің мәнін есептеңіз

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 cos82°\cos82\degree  

0

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 tg 70°tg 10°1+tg 70°tg 10°\frac{tg\ 70\degree-tg\ 10\degree}{1+tg\ 70\degree tg\ 10\degree}  өрнегінің мәнін есептеңіз

 33\frac{\sqrt{3}}{3}  

1

 3\sqrt{3}  

 tg 80°tg\ 80\degree  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 sin2x2cosx\frac{\sin2x}{2\cos x}  өрнегін ықшамдаңыз:

 0,5 tg x0,5\ tg\ x  

 2sinx2\sin x  

0,5

 sinx\sin x  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos2 π8sin2 π8 \cos^2\ \frac{\pi}{8}-\sin^2\ \frac{\pi}{8}\   өрнегінң мәнін табыңыз

0,5

 cos π16\cos\ \frac{\pi}{16}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 4sin15°cos15°cos30°4\sin15\degree\cos15\degree\cos30\degree  өрнегінің мәнін табыңыз

0,5

 3\sqrt{3}  

1

 32\frac{\sqrt{3}}{2}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (sinα+cosα)21sin2 2α\frac{\left(\sin\alpha+\cos\alpha\right)^2}{1-\sin^2\ 2\alpha}  өрнегін ықшамдаңыз.

 1+sin2α1+\sin2\alpha  

 11sin2α\frac{1}{1-\sin2\alpha}  

 sin2α\sin2\alpha  

 sinα+cosα\sin\alpha+\cos\alpha