
Тригонометрия тестовая часть егэ
Authored by Podcradulya Gazulya
Mathematics
11th Grade
Used 4+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение:
(1 + tg²α) * cos²α
1
-3
√3
-1
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Решите уравнение:
sin x = 1/2
x = 30° + 360°k, где k - любое целое число
x = 60° + 360°k, где k - любое целое число
x = 150° + 360°k, где k - любое целое число
x = 90° + 360°k, где k - любое целое число
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения:
cos 180° + sin 90°
1/2
0
√3/2
-1/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Решите уравнение:
cos 2x = 1
x = 180°k, где k - любое целое число
x = 60° + 150°k, где k - любое целое число
x = 30° + 180°k, где k - любое целое число
x = 90° + 360°k, где k - любое целое число
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения:
tg 45° - ctg 45°
√3
√3/3
1
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение:
sin (90° - α) * cos α
cosα
cos²α
sinα
sin2α
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения:
sin² 30° + cos² 30°
1
0
√2/2
30°
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