
9 класс синус и косинус тупого угла
Authored by Вадим Румянцев
Mathematics
10th Grade

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Найдите cos 135 градусов, используя формулу cos (180° - a) = -cos a.
-√2/2
√2/2
√3/3
-0.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Найдите tg 150 градусов, используя формулу tg (180° - a) = -tg a.
√3
1.5
1/√3
-√2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Найдите sin 240 градусов, используя формулу sin (180° + a) = -sin a.
-√3/2
√3/2
-1/√2
0.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Найдите ctg 225 градусов, используя формулу ctg (180° + a) = -ctg a.
-1
1
-√2/2
√2/2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Найдите cos 315 градусов, используя формулу cos (180° - a) = -cos a.
-√2/2
1
-0.5
√3/3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Найдите tg 240 градусов, используя формулу tg (180° + a) = tg a.
√3/2
-√3/2
0.5
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Найдите sin 135 градусов, используя формулу sin (180° - a) = sin a.
-√2/2
√2/2
-0.5
√3/3
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?