Синус, косинус и тангенс кута от 0 до 180 градусов

Синус, косинус и тангенс кута от 0 до 180 градусов

9th Grade

9 Qs

quiz-placeholder

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Синус, косинус и тангенс кута от 0 до 180 градусов

Синус, косинус и тангенс кута от 0 до 180 градусов

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
HSG.SRT.C.7, HSF.TF.A.2, HSF.TF.C.9

Standards-aligned

Created by

Анастасія Олександрівна

Used 2+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin (90° - α) =

cos α

sin α

- cos α

- sin α

Tags

CCSS.HSG.SRT.C.7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos (90° - α) =

cos α

sin α

- sin α

- cos α

Tags

CCSS.HSG.SRT.C.7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin (180° - α) =

sin α

- sin a

cos α

- cos α

Tags

CCSS.HSG.SRT.C.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos (180° - α) =

- sin a

- cos α

cos α

sin α

Tags

CCSS.HSG.SRT.C.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вкажите основную тригонометрическую тождественность

sin² α - cos² α = 1

sin α + cos α = 1

sin α - cos α = 1

sin² α + cos² α = 1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tg (180° - α) =

- ctg α

tg α

ctg α

- tg α

Tags

CCSS.HSG.SRT.C.7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos 120° =

1

½

- ½

-1

Tags

CCSS.HSF.TF.A.2

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tg 120° =

- ½

½

-√3

1

Tags

CCSS.HSF.TF.A.2

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Чему равно cos (180° - α), если cos α = 0,7

0,7

- 0,3

0,3

- 0,7

Tags

CCSS.HSF.TF.C.9