Тригонометрия формулалары

Тригонометрия формулалары

9th Grade

10 Qs

quiz-placeholder

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Тригонометрия формулалары

Тригонометрия формулалары

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Гульнур Саурыкбаева

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 sin(α)\sin\left(-\alpha\right)  1-сұрақ.

 cosα\cos\alpha  

 sinα-\sin\alpha  

 cosα-\cos\alpha  

 sinα\sin\alpha  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 cos(α+β)\cos\left(\alpha+\beta\right)  

 cosαcosβsinαsinβ\cos\alpha\cos\beta-\sin\alpha\sin\beta  

 cosαcosβ+sinαsinβ\cos\alpha\cos\beta+\sin\alpha\sin\beta  

 sinαcosβcosαsinβ\sin\alpha\cos\beta-\cos\alpha\sin\beta  

 sinαcosβ+cosαsinβ\sin\alpha\cos\beta+\cos\alpha\sin\beta  

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 tgαtg\alpha  

 cosαsinα\frac{\cos\alpha}{\sin\alpha}  

 ctgα\operatorname{ctg}\alpha  

 tgα-tg\alpha  

 sinαcosα\frac{\sin\alpha}{\cos\alpha}  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 tg(α+β)tg\left(\alpha+\beta\right)  

 1tgαtgβtgα+tgβ\frac{1-tg\alpha tg\beta}{tg\alpha+tg\beta}  

 11  

 tgα+tgβ1tgαtgβ\frac{tg\alpha+tg\beta}{1-tg\alpha tg\beta}  

 sin2α+cosα\sin^2\alpha+\cos\alpha  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 cos2α\cos2\alpha  

 sin2α+cos2α\sin^2\alpha+\cos^2\alpha  

 2sinα2\sin\alpha  

 cos2αsin2α\cos^2\alpha-\sin^2\alpha  

 2cos2\cos  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 1+tg2α1+tg^2\alpha  

 1cos\frac{1}{\cos}  

 1cos2α\frac{1}{\cos^2\alpha}  

 1sinα\frac{1}{\sin\alpha}  

 1sin2α\frac{1}{\sin^2\alpha}  

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 sin(πα)\sin\left(\pi-\alpha\right)  

 tgαtg\alpha  

 cosα\cos\alpha  

 sinα\sin\alpha  

 ctgα\operatorname{ctg}\alpha  

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