Тригонометрия формулалары

Тригонометрия формулалары

9th Grade

10 Qs

quiz-placeholder

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Тригонометрия формулалары

Тригонометрия формулалары

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF.TF.C.9, HSF.TF.C.8, HSF.TF.A.4

Standards-aligned

Created by

Gulnur Ertaeva

Used 1K+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Негізгі тригонометриялық тепе-теңдік

sin2α+cos2α=1\sin^2\alpha+\cos^2\alpha=1

cos2αsin2α=1\cos^2\alpha-\sin^2\alpha=1

sin2α=1cos2α2\sin^2\alpha=\frac{1-\cos2\alpha}{2}

cos2α=1+cos2α2\cos^2\alpha=\frac{1+\cos2\alpha}{2}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tgα=?tg\alpha=?  

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

 tgαctgαtg\alpha\cdot\operatorname{ctg}\alpha  

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

 1cos2α\frac{1}{\cos^2\alpha}  

Tags

CCSS.HSF.TF.C.8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ctgα=?\operatorname{ctg}\alpha=?  

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

 tgαctgαtg\alpha\cdot\operatorname{ctg}\alpha  

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

 1cos2α\frac{1}{\cos^2\alpha}  

Tags

CCSS.HSF.TF.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1+tg2α=?1+tg^2\alpha=?  

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

 1sin2α\frac{1}{\sin^2\alpha}  

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

 1cos2α\frac{1}{\cos^2\alpha}  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Дұрыс қосу формулаларын таңдаңыз

sin(α+β)=sinαcosβ+cosαsinβ\sin\left(\alpha+\beta\right)=\sin\alpha\cos\beta+\cos\alpha\sin\beta

sin(αβ)=sinαcosβcosαsinβ\sin\left(\alpha-\beta\right)=\sin\alpha\cos\beta-\cos\alpha\sin\beta

sin(α+β)=sinαsinβ+cosαcosβ\sin\left(\alpha+\beta\right)=\sin\alpha\sin\beta+\cos\alpha\cos\beta

sin(αβ)=cosαsinβsinαcosβ\sin\left(\alpha-\beta\right)=\cos\alpha\sin\beta-\sin\alpha\cos\beta

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Дұрыс қосу формулаларын таңдаңыз

cos(α+β)=sinαcosβcosαsinβ\cos\left(\alpha+\beta\right)=\sin\alpha\cos\beta-\cos\alpha\sin\beta

cos(αβ)=cosαcosβ+sinαsinβ\cos\left(\alpha-\beta\right)=\cos\alpha\cos\beta+\sin\alpha\sin\beta

cos(α+β)=sinαsinβcosαcosβ\cos\left(\alpha+\beta\right)=\sin\alpha\sin\beta-\cos\alpha\cos\beta

cos(α+β)=cosαcosβsinαsinβ\cos\left(\alpha+\beta\right)=\cos\alpha\cos\beta-\sin\alpha\sin\beta

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 tg(α+β)=?tg\left(\alpha+\beta\right)=?  

 tgαtgβ1+tgαtgβ\frac{tg\alpha-tg\beta}{1+tg\alpha\cdot tg\beta}  

 ctgαctgβ1ctgα+ctgβ\frac{\operatorname{ctg}\alpha\cdot\operatorname{ctg}\beta-1}{\operatorname{ctg}\alpha+\operatorname{ctg}\beta}  

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

 ctgαctgβ+1ctgβctgα\frac{\operatorname{ctg}\alpha\cdot\operatorname{ctg}\beta+1}{\operatorname{ctg}\beta-\operatorname{ctg}\alpha}  

Tags

CCSS.HSF.TF.C.9

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