
PHIẾU BT TRẮC NGHIỆM CHƯƠNG I

Quiz
•
Mathematics
•
10th Grade
•
Hard
Vinh Lê
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đổi góc a có số đo 144° sang rađian ta được số đo bằng rađian là
4π/5
3π/4
3π/2
π/5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trên đường tròn lượng giác, cung a có điểm đầu là A, điểm cuối là M thì số đo của a là
45° + k180°
45° + k360°
-315° + k180°
315° + k180°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Góc lượng giác có cùng điểm cuối với góc 25π/4 là
-3π/4
π/4
3π/4
4π/5
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Góc lượng giác nào sau đây có cùng điểm cuối với góc 7π/4
-3π/4 + k2π
-π/4
π/4
3π/4
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Đẳng thức nào sau đây đúng?
sin a + cos a = 1
sin² a + cos² a = 1
sin³ a + cos³ a = 1
sin a + cos¹ a = 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong trường hợp nào dưới đây cos a = cos B và sin a =−sin B ?
B=-a
B=л-α
B=л+а
B=3π/4 + k2π
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các đẳng thức nào có thể đồng thời xảy ra?
sin a = 1/2 và cos a = 1/2
sin a = 1/2 và cos a = - √3 /2
tan a = -1/2 và cot a = 2
sin a = 1/3 và cos a = 2/3
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