Search Header Logo

тригонометрия

Authored by Лана Лашкевич

Mathematics

11th Grade

Used 4+ times

тригонометрия
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

основное тригонометрическое тождество

sin2x +cos2x=1\sin^2x\ +\cos^2x=1

1+tg2x=1cos2x1+tg^2x=\frac{1}{\cos^2x}

sin2x+cos2y=1\sin^2x+\cos^2y=1

tgx×ctgx=1tgx\times\operatorname{ctg}x=1

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 sin2x=\sin2x=  

 cos2xsin2x\cos^2x-\sin^2x  

1

 2sinxcosx2\sin x\cos x  

 sinxcosx\sin x\cos x  

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 cos(3π2α)\cos\left(\frac{3\pi}{2}-\alpha\right)  

 sinα\sin\alpha  

 cosα\cos\alpha  

 sinα-\sin\alpha  

 cosα-\cos\alpha  

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 cos(3π2α)\cos\left(\frac{3\pi}{2}-\alpha\right)  

 sinα\sin\alpha  

 cosα\cos\alpha  

 sinα-\sin\alpha  

 cosα-\cos\alpha  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 tg(π2α)tg\left(\frac{\pi}{2}-\alpha\right)  

 tgα-tg\alpha  

 ctgα\operatorname{ctg}\alpha  

 tgαtg\alpha  

 ctgα-\operatorname{ctg}\alpha  

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 cos π4\cos\ \frac{\pi}{4}  

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

1

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 arctg3ar\operatorname{ctg}\sqrt{3}  

 π3\frac{\pi}{3}  

 4π3\frac{4\pi}{3}  

 π6\frac{\pi}{6}  

 π3-\frac{\pi}{3}  

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?