ECAT Mathematics Chapter 12 online mcq test with answers for chapter 12 (Trigonometric Functions and Identities)

Question # 1

The are of sector of a circular region of radius r is

2π r A
π r² B
1/2π r² C
1/2 r²0 D

Question # 2

56^ο=.....................radians

1.25 A
2.56 B
95 C
0.98 D

Question # 3

Express cos 320^οbetween 0^οand 45^ο

cos 45^ο A
cos 30^ο B
-cos 40^ο C
cos 40^ο D

Question # 4

The value of 2π/3 in degree is

120^ο A
160^ο B
150^ο C
60^ο D

Question # 5

If l=1.5 cm and r=2.5 cm, then 0=

.3 radians A
.20 radians B
.5 radians C
.6 radians D

Question # 6

The value of 7π /9 in terms of degrees is

150^ο A
130^ο B
135^ο C
140^ο D

Question # 7

The circle with are 60 cm²has an arc 8 cm long. The angle that is subtended at the centre of the circle by the are is

1.83 radians A
2.1 radians B
1.05 radians C
1.25 radians D

Question # 8

if tanθ = 8/15 and cosθ< 0 , then cscθ =

-8/15 A
15/8 B
3/15 C
-17/8 D

Question # 9

radian is the measure of the angle subtended oat the centre of the circle by an are, whose length is equal to the

radius of the circle A
circumference B
are length C
tangent of the circle D
none of these E

Question # 10

The value of 150^οin term of π is

2π/5
A
5π/2 B
3π/2 C
2550/32401π D

Question # 11

21.256^ο

21^ο15'21"

A
21^ο20'56" B
21^ο25'1" C
21^ο25'6" D

Question # 12

3/π=...........

54.71^ο A
21^ο B
51^ο C
29^ο D

Question # 13

the value of 25π/36 in degrees is

120^ο
A
125^ο B
60^ο C
115^ο D

Question # 14

The value of 7π/9 in terms of degree is

140^ο A
130^ο B
120^ο C
45^ο D

Question # 15

154^ο20' =

2550/34401π
A
27721/22400 π B
2521/32400π C
4125/32400π D

Question # 16

The value of 289^οin radians is

4.05 A
3.02 B
π/2
C
5.04 D

Question # 17

The value of 300^οin term ofπ is

5π/3 A
2π/3 B
5π/2 C
5π D

Question # 18

If x>0 and y<0, then cosθ

Positive A
negative B
zero C
infinity D

Question # 19

If cosθ = 9/41 and sinθ< 0, the tanθ =

41/9 A
-40/9 B
9/10 C
3/20 D

Question # 20

16^ο30' =

16.5^ο A
16.2^ο B
16.60^ο C
19.9^ο D

Question # 21

If sinθ = 12/13, and sinθ > 0, then tan θ =

2/5 A
12/13 B
13/5 C
12/5 D

Question # 22

The area of a sector of a circular region of radius r is

2π r A
π r² B
1/2πr² C
π/6 D

Question # 23

If sinθ = 12/13, and sinθ > 0, then tan θ =

2/5 A
12/13 B
13/5 C
12/5 D

Question # 24

56^ο=.....................radians

1.25 A
2.56 B
95 C
0.98 D

Question # 25

The circular measure of the angle between the hands of a watch of 4 0'clock is

π/2 A
π/4 B
2π/3 C
π/6 D

Question # 26

The value of 63^οin term ofπ is

5π/2
A
5π/3 B
7π/20 C
7π/3 D

Question # 27

Express cos 320^οbetween 0^οand 45^ο

cos 45^ο A
cos 30^ο B
-cos 40^ο C
cos 40^ο D

Sr.#	Question	Answer
1	The value of 2π/3 in degree is	A. 120^ο B. 160^ο C. 150^ο D. 60^ο
2	If sinθ = 12/13, and sinθ > 0, then tan θ =	A. 2/5 B. 12/13 C. 13/5 D. 12/5
3	3/π=...........	A. 54.71^ο B. 21^ο C. 51^ο D. 29^ο
4	The value of 63^οin term ofπ is	A. 5π/2 B. 5π/3 C. 7π/20 D. 7π/3
5	56^ο=.....................radians	A. 1.25 B. 2.56 C. 95 D. 0.98
6	If x>0 and y<0, then cosθ	A. Positive B. negative C. zero D. infinity
7	The are of sector of a circular region of radius r is	A. 2π r B. π r² C. 1/2π r² D. 1/2 r²0
8	If l=1.5 cm and r=2.5 cm, then 0=	A. .3 radians B. .20 radians C. .5 radians D. .6 radians
9	21.256^ο	A. 21^ο15'21" B. 21^ο20'56" C. 21^ο25'1" D. 21^ο25'6"
10	The value of 7π /9 in terms of degrees is	A. 150^ο B. 130^ο C. 135^ο D. 140^ο

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ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 12 (Trigonometric Functions and Identities)

MCQ's Test For ECAT (Pre-Eng) Mathematics Chapter 12 Trigonometric Functions and Identities

ECAT (Pre-Eng) Mathematics Chapter 12 Trigonometric Functions and Identities

The are of sector of a circular region of radius r is

56ο=.....................radians

Express cos 320ο between 0οand 45ο

The value of 2π/3 in degree is

If l=1.5 cm and r=2.5 cm, then 0=

The value of 7π /9 in terms of degrees is

The circle with are 60 cm2 has an arc 8 cm long. The angle that is subtended at the centre of the circle by the are is

if tanθ = 8/15 and cosθ< 0 , then cscθ =

radian is the measure of the angle subtended oat the centre of the circle by an are, whose length is equal to the

The value of 150ο in term of π is

21.256ο

3/π=...........

the value of 25π/36 in degrees is

The value of 7π/9 in terms of degree is

154ο20' =

The value of 289οin radians is

The value of 300ο in term ofπ is

If x>0 and y<0, then cosθ

If cosθ = 9/41 and sinθ< 0, the tanθ =

16ο30' =

If sinθ = 12/13, and sinθ > 0, then tan θ =

The area of a sector of a circular region of radius r is

If sinθ = 12/13, and sinθ > 0, then tan θ =

56ο=.....................radians

The circular measure of the angle between the hands of a watch of 4 0'clock is

The value of 63οin term ofπ is

Express cos 320ο between 0οand 45ο

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56^ο=.....................radians

Express cos 320^οbetween 0^οand 45^ο

The circle with are 60 cm²has an arc 8 cm long. The angle that is subtended at the centre of the circle by the are is

The value of 150^οin term of π is

21.256^ο

154^ο20' =

The value of 289^οin radians is

The value of 300^οin term ofπ is

16^ο30' =

56^ο=.....................radians

The value of 63^οin term ofπ is

Express cos 320^οbetween 0^οand 45^ο