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

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

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Question # 1

21.256ο

Question # 2

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

Question # 3

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

Question # 4

Express cos 320ο between 0οand 45ο

Question # 5

The value of 300ο in term ofπ is

Question # 6

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

Question # 7

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

Question # 8

The value of 63οin term ofπ is

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

Question # 10

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

Question # 11

the value of 25π/36 in degrees is

Question # 12

The value of 289οin radians is

Question # 13

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

Question # 14

56ο=.....................radians

Question # 15

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

Question # 16

Express cos 320ο between 0οand 45ο

Question # 17

The value of 150ο in term of π is

Question # 18

154ο20' =

Question # 19

16ο30' =

Question # 20

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

Question # 21

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

Question # 22

56ο=.....................radians

Question # 23

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

Question # 24

If x>0 and y<0, then cosθ

Question # 25

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

Question # 26

3/π=...........

Question # 27

The value of 2π/3 in degree is

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Sr.# Question Answer
1 21.256ο
A.
21ο15'21"

B. 21ο20'56"
C. 21ο25'1"
D. 21ο25'6"
2 The value of 7π/9 in terms of degree is
A. 140ο
B. 130ο
C. 120ο
D. 45ο
3 The value of 7π /9 in terms of degrees is
A. 150ο
B. 130ο
C. 135ο
D. 140ο
4 Express cos 320ο between 0οand 45ο
A. cos 45ο
B. cos 30ο
C. -cos 40ο
D. cos 40ο
5 The value of 300ο in term ofπ is
A. 5π/3
B. 2π/3
C. 5π/2
D. 5π
6 The area of a sector of a circular region of radius r is
A. 2π r
B. π r2
C. 1/2πr2
D. π/6
7 The circular measure of the angle between the hands of a watch of 4 0'clock is
A. π/2
B. π/4
C. 2π/3
D. π/6
8 The value of 63οin term ofπ is
A. 5π/2

B. 5π/3
C. 7π/20
D. 7π/3
9 radian is the measure of the angle subtended oat the centre of the circle by an are, whose length is equal to the
A. radius of the circle
B. circumference
C. are length
D. tangent of the circle
10 If sinθ = 12/13, and sinθ > 0, then tan θ =
A. 2/5
B. 12/13
C. 13/5
D. 12/5
11 the value of 25π/36 in degrees is
A. 120ο

B. 125ο
C. 60ο
D. 115ο
12 The value of 289οin radians is
A. 4.05
B. 3.02
C.

π/2

D. 5.04
13 If l=1.5 cm and r=2.5 cm, then 0=
A. .3 radians
B. .20 radians
C. .5 radians
D. .6 radians
14 56ο=.....................radians
A. 1.25
B. 2.56
C. 95
D. 0.98
15 If sinθ = 12/13, and sinθ > 0, then tan θ =
A. 2/5
B. 12/13
C. 13/5
D. 12/5
16 Express cos 320ο between 0οand 45ο
A. cos 45ο
B. cos 30ο
C. -cos 40ο
D. cos 40ο
17 The value of 150ο in term of π is
A. 2π/5

B. 5π/2
C. 3π/2
D. 2550/32401π
18 154ο20' =
A. 2550/34401π

B. 27721/22400 π
C. 2521/32400π
D. 4125/32400π
19 16ο30' =
A. 16.5ο
B. 16.2ο
C. 16.60ο
D. 19.9ο
20 If cosθ = 9/41 and sinθ< 0, the tanθ =
A. 41/9
B. -40/9
C. 9/10
D. 3/20
21 if tanθ = 8/15 and cosθ< 0 , then cscθ =
A. -8/15
B. 15/8
C. 3/15
D. -17/8
22 56ο=.....................radians
A. 1.25
B. 2.56
C. 95
D. 0.98
23 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
A. 1.83 radians
B. 2.1 radians
C. 1.05 radians
D. 1.25 radians
24 If x>0 and y<0, then cosθ
A. Positive
B. negative
C. zero
D. infinity
25 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
26 3/π=...........
A. 54.71ο
B. 21ο
C. 51ο
D. 29ο
27 The value of 2π/3 in degree is
A. 120ο
B. 160ο
C. 150ο
D. 60ο

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