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негізгі тригонометриялық тепе теңдіктер

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

tgα=?tg\alpha=?  

a)

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

b)

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

c)

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

d)

1cos2α\frac{1}{\cos^2\alpha}  

2.

1 – sin2α

a)

cosa=

b)

sina=

c)

tga=

d)

ctga=

3.

1+tg2α=?1+tg^2\alpha=?  

a)

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

b)

1sin2α\frac{1}{\sin^2\alpha}  

c)

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

d)

1cos2α\frac{1}{\cos^2\alpha}  

4.

.Өрнекті ықшамда:

   (1-Sinα)(1+Sinα)=

a)

cosa

b)

tga

c)

ctga

d)

1-Sin2α =Cosα

5.

Негізгі тригонометриялық тепе-теңдік

a)

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

b)

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

c)

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

d)

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

6.

ctgα=?\operatorname{ctg}\alpha=?  

a)

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

b)

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

c)

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

d)

1cos2α\frac{1}{\cos^2\alpha}  

7.

1-Sin2600·Ctg2600         өрнекті ықшамда  

  

a)

жауап жоқ 

b)

  1/2  

   

c)

1/3      

d)

1/4 

8.

tga*ctga+sina

a)

cosa

b)

sina

c)

tga

d)

ctga

9.

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

a)

0

b)

4

c)

2

d)

3

10.

tgα=?tg\alpha=?  

a)

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

b)

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

c)

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

d)

1cos2α\frac{1}{\cos^2\alpha}