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Worksheets

Тригон

Total questions: 17

Worksheet time: 4mins

Name
Class
Date
1.

sin^2(x)+cos^2(a)=?

a)

1

b)

0

c)

tg^2(a)

d)

ctg'2(a)

2.

tgx*ctgx=

a)

0

b)

sinx/cosx

c)

1

d)

-1

3.

1+tg^2(x)=

a)

0

b)

1/sin^2(x)

c)

1-ctg^2(x)

d)

1/cos^2(x)

4.

3sina-4sin^3(a)

(a)  

5.

4cos^3(a)-3cosa

(a)  

6.

1-cosa=

a)

2sin^2(pi-a/2)

b)

sin^2(a)

c)
1-cos(a)+1
d)

2sin^2(a/2)

7.

cos2a=

a)
cos^2(a) - sin^2(a)
b)

1-2sin^2(a)

c)
cos(a) * sin(a)
d)

2cos^2(a)-1

8.

cos2a

a)
2cos^2(a) - 1
b)

1-2sin^2(a)

c)
2cos(a) - 1
d)
cos^2(2a) - 1
9.

sin^2(a)

a)

(1-cos2a)/2

b)

cos^2(a)-cos2a

c)
sin(a)
d)

1/2(1+cos2a)

10.

cos2a

a)

2cos^2(a)-1

b)

2/ctga-tga

c)

1-2sin^2(a)

d)
cos(a) / sin(a)
11.

tg2a

a)

This is a programming language

or sin^2(a)/cos^2(a)

b)

2tga/1-tg^2(a)

c)

1-tg^2(a)/2tga

d)
The answer is 42
12.

tg2a

a)

This is a programming language

or sin^2(a)/cos^2(a)

b)

2tga/1-tg^2(a)

c)

1-tg^2(a)/2tga

d)
The answer is 42
13.

ctg2a=

a)

ctg2a=5

b)

ctg2a=True

or

2tga/1-tg^2(a)

c)
There is no value assigned to the variable ctg2a.
d)

ctg2a='hello'

or

1-tg^2(a)/2tga

14.

sin(a+b)=

sin(a-b)=

a)

sin(a+b) = cos(a)cos(b) + sin(a)sin(b)

b)

sin(a+b) = sin(a)sin(b) - cos(a)cos(b)

sin(a-b) = sin(a)cos(b) + cos(a)sin(b)

c)
sin(a+b) = sin(a) + sin(b)
d)

sin(a+b) = sin(a)cos(b) + cos(a)sin(b)

sin(a-b) = sin(a)cos(b) - cos(a)sin(b)

15.

cos(a+b)=

cos(a-b)=

a)
cos(a+b)=1, cos(a-b)=1
b)

cos(a+b)=cos(a)cos(b) - sin(a)sin(b)

cos(a-b)=cos(a)cos(b) + sin(a)sin(b)

c)
cos(a+b)=tan(a)tan(b) - cot(a)cot(b), cos(a-b)=cos(a)cos(b) + sin(a)sin(b)
d)

cos(a+b)=sin(a)sin(b) + cos(a)cos(b)

cos(a-b)=cos(a)cos(b) - sin(a)sin(b)

16.

tg(a-b)=

tg(a+b)=

a)

tg(a-b) = (tg(a) + tg(b)) / (1 - tg(a) * tg(b))

tg(a+b) = (tg(a) - tg(b)) / (1 + tg(a) * tg(b)).

b)
tg(a+b) = (tg(a) - tg(b)) / (1 + tg(a) * tg(b))
c)
tg(a-b) = (tg(a) * tg(b)) / (1 - tg(a) + tg(b))
d)

tg(a-b) = (tg(a) - tg(b)) / (1 + tg(a) * tg(b))

tg(a+b) = (tg(a) + tg(b)) / (1 - tg(a) * tg(b)).

17.

Сүйікті ғылым

a)

Математика

b)

Матан

c)

Түрлендіру ғылымы

d)

Аль Гебра

e)

ғылымдар патшасы -

мАт