Формулы приведения. ДЗ + самостоятельная

Формулы приведения. ДЗ + самостоятельная

10th Grade

21 Qs

quiz-placeholder

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Формулы приведения. ДЗ + самостоятельная

Формулы приведения. ДЗ + самостоятельная

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Григорий Седов

Used 10+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin(3π/2 + α) = \sin(3\pi/2\ +\ \alpha)\ =\   

 cos(α)\cos\left(\alpha\right)  

 cos(α)-\cos\left(\alpha\right)  

 sin(α)\sin\left(\alpha\right)  

 sin(α)-\sin(\alpha)  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin(α 5π2) = \sin(\alpha-\ \frac{5\pi}{2})\ =\   

 cos(α)\cos\left(\alpha\right)  

 cos(α)-\cos\left(\alpha\right)  

 sin(α)\sin\left(\alpha\right)  

 sin(α)-\sin(\alpha)  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 cos(3π+α) = \cos(3\pi+\alpha)\ =\   

 cos(α)\cos\left(\alpha\right)  

 cos(α)-\cos\left(\alpha\right)  

 sin(α)\sin\left(\alpha\right)  

 sin(α)-\sin(\alpha)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 cos (3π/2 + α) = \cos\ (3\pi/2\ +\ \alpha)\ =\   

 cos(α)\cos\left(\alpha\right)  

 cos(α)-\cos\left(\alpha\right)  

 sin(α)\sin\left(\alpha\right)  

 sin(α)-\sin(\alpha)  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 (1cos2193+ctg2167cos2167)cos77=\left(\sqrt{1-\cos^2193^{\circ}}+\sqrt{\operatorname{ctg}^2167^{\circ}-\cos^2167^{\circ}}\right)\cos77^{\circ}=  

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 (1sin2153+tg2207sin2207)cos27=\left(\sqrt{1-\sin^2153^{\circ}}+\sqrt{tg^2207^{\circ}-\sin^2207^{\circ}}\right)\cos27^{\circ}=  

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 sin(π2α)cos(π+α)ctg(α)sin(3π2+α)cos(πα)tg(π2+α)=\frac{\sin\left(\frac{\pi}{2}-\alpha\right)\cos(\pi+\alpha)\operatorname{ctg}(-\alpha)}{\sin\left(\frac{3\pi}{2}+\alpha\right)\cos(\pi-\alpha)tg\left(\frac{\pi}{2}+\alpha\right)}=  

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