Câu hỏi trắc nghiệm Lượng Giác

Câu hỏi trắc nghiệm Lượng Giác

11th Grade

34 Qs

quiz-placeholder

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Câu hỏi trắc nghiệm Lượng Giác

Câu hỏi trắc nghiệm Lượng Giác

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Thanh Thanh

FREE Resource

34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Đẳng thức đúng là:

sin^2 x + cos^2 x = 1

sin^2 x − cos^2 x = 1

tan^2 x + 1 = csc^2 x

1 + cot^2 x = sec^2 x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Công thức đúng của cos 2x là:

1 − 2 sin^2 x

2 sin^2 x − 1

2 cos^2 x + 1

1 + 2 sin^2 x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan(α+β) bằng:

(tanα + tanβ)/(1 − tanα tanβ)

(tanα + tanβ)/(1 + tanα tanβ)

(tanα − tanβ)/(1 − tanα tanβ)

(tanα − tanβ)/(1 + tanα tanβ)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin(π/2 − x) bằng:

cos x

sin x

−cos x

−sin x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị sin 30° là:

1/2

√3/2

√2/2

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị tan 45° là:

1

√3

1/√3

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

π rad bằng bao nhiêu độ?

180°

90°

360°

120°

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