1st Year Math Chapter 9 Fundamentals of Trigonometry MCQs

If your search is to get the important 1st Year Math Chapter 9 Fundamentals of Trigonometry MCQs With Answers then you are in the right place. Here you will find the important MCQs of Chapter 9 that you can prepare for the entry test. This chapter consists of some important Trigonometric concepts that are easy and important as this is the base of trigonometry. Topics include Units of Measures of angles, sexagesimal and circular systems, interconversion of a radian and degrees can be prepared here. Further, these MCQs will help you to prepare the topics including general angle, angle in standard position, trigonometric functions, fundamental identities, and domains of trigonometric functions. So, let’s scroll down to get 1st year Mathematics MCQs chapter 9 here. Solve the quiz and check the answers given below.

1st Year Math Chapter 9 Fundamentals of Trigonometry MCQs With Answers

656

Math Chapter 9

1 / 20

1. If the rotation of the angle is counterclockwise, then the angle is:

A) Non-negative

B) Negative

C) None of these

D) Positive

2 / 20

2. If θ = 45 degree, r=18mm, then L=?

A) 2/9 π

B) 810mm

C) 9/2 π

D) 810

3 / 20

3. One Rotation in an anticlockwise direction is equal to:

A) 900

B) 3600

C) 1800

D) 2700

4 / 20

4. 60th part of 1’ is equal to:

A) 3600’’

B) 60’’

C) 1'

D) 1"

5 / 20

5. Area of a sector of a circle of radius r is:

A) 1/2 r^2 θ

B) 1/2r2θ

C) 1/2 (rθ)2

D) 1/2 r θ^2

6 / 20

6. 1° is equal to:

A) 3600’’

B) 60"

C) 360 degree

D) (1/360)'

7 / 20

7. If the initial ray OA rates in an anti-clockwise direction in such a way that it coincides with itself, The angle then formed is:

A) 3000

B) 2700

C) 1800

D) 3600

8 / 20

8. If angle θ is in radian, then angle conterminal with θ is:

A) θ +2k π , k ∈ Z

B) -( θ +2 π)

C) θ +k π, k ∈ Z

D) - θ +2k π ,k ∈ Z

9 / 20

9. 16°30' is equal to

A) 16.05 degree

B) 32”/2

C) 16.5°

D) 16.2 degree

10 / 20

10. Two rays with a common starting point form:

A) Minute

B) Triangle

C) Radian

D) Angle

11 / 20

11. Which of the following is the quad rental angle.

A) 210°

B) -250°

C) 300°

D) - 90°

12 / 20

12. Straight-line angle is equal to.

A) All of these

B) π radian

C) 180 degree

D) 1/2 rotation

13 / 20

13. 60th part of 1 degree is equal to

A) One minute

B) One Second

C) 1 Radian

D) π Radian

14 / 20

14. 1° is equal to

A) 1/30 minute

B) 1/60 minute

C) 30 minute

D) 60 minute

15 / 20

15. The Sexagesimal system is also called:

A) English system

B) C.G.S system

C) S.I system

D) German system

16 / 20

16. One right angle is equal to:

A) 90 degree

B) 1/4 rotation

C) π/2 radian

D) All of these

17 / 20

17. If angle θ is in degree, then the angle conterminal with θ is:

A) None of these

B) θ +360° k, k ∈ Z

C) θ + 90° k, k

D) θ +180° k, k ∈ Z

18 / 20

18. 3600th part of 1 degree is equal to

A) 1"

B) 60”

C) 1'

D) 3600”

19 / 20

19. The common starting point of two rays is called:

A) Vertex

B) Initial point

C) All of these

D) Origin

20 / 20

20. If L = 1.5 cm & r = 2.5 C, then θ is equal to

A) 3/5

B) 3.75

C) 5/3

D) None

Your score is

1st Year Math Chapter 9 Fundamentals of Trigonometry MCQs With Answers

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