1. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 1
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CLASS
XI
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Composed by Engin Baştürk FEDERAL BOARD
TYPE Objective Fundamentals of Trigonometry No 6
Q1 What is the circular measure of the angle between the
hands of a watch at 4 O’clock?
A) 120 B) 150 C) 90 D) 180
Q2: What is the length of the arc intercepted on a circle of
radius 14 cm by the arms of a central angle of 45
A) 11cm B) 22cm C) 26cm D) 6cm
Q3: If
12
sin
13
  and the terminal arm of the angle is in
first quadrant, then cos is:
A)
12
13
 B)
5
13
C)
13
5
D)
5
12
Q4: If
12
sin
13
  and the terminal arm of the angle is in
first quadrant, then tan :
A)
12
5
B)
5
13
C)
13
5
D)
5
12
Q5: If
1
sin
2 2
  and the terminal arm of the angle is in
first quadrant, then cot :
A)
7
2
B) 7 C)
1
7
D)
2
7
Q6: If
5
sin
13
  and the terminal arm of the angle is in
first quadrant, then sec :
A)
12
13
B)
5
13
C)
13
12
D)
5
12
Q7: If
1
cos
3
  and the terminal arm of the angle is in
first quadrant, then sec :
A) 2 2 B) 3 C)
3
2
D)
1
3
Q8: If tan 1   and the terminal arm of the angle is in
fourth quadrant, then sin :
A) 2 2 B) 2 C)
1
2
D)
1
2

Q9: If
1
cos
2
  and the terminal arm of the angle is in
fourth quadrant, then tan :
A) 2 B) 0 C) 1 D) 1
Q10: If
9
cos
41
  and the terminal arm of the angle is in
fourth quadrant, then cot :
A)
9
40
 B)
9
40
C)
40
9
D)
40
41


2. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2
Q11: If
1
tan
7
  and terminal arm of the angle is not in
quad. III, then 2
sec 1x  :
A) 7 B)
1
7
 C)
1
7
D) 7
Q12: 0 0 0 0
sin 60 cos30 cos60 sin30 :
A) sin30 B) sin45 C) sin60 D) sin90
Q13: 0 01
2sin 45 csc45
2
 is:
A)
3 2
4
B) 3 2 C)
3
2
D)
4 2
3
Q14:
tan tan
3 6
1 tan tan
3 6
 
 


is:
A)
3
6
 B)
3
3
 C)
3
3
D)
3
3
Q15: if 2 0 2 0 0 0 0
tan 45 cos 60 sin 45 cos45 tan 60x  Find
the value of x .
A) 1 B) 3 2 C)
3
2
D) 2
Q16:  cos 330 ? 
A)
1
2
 B)
3
2
 C)
1
2
D)
3
2
Q17:  sin 765 ?
A) 2 B) 2 C)
1
2
D)
1
2

Q18:  sin 675 ? 
A) 2 2 B) 2 C)
1
2
D)
1
2

Q19: Which of the following is the circumference of a circle?
A) 2 r B) 2
r C) r D) 2
2 r
Q20: Which of the following is the area of a circle?
A) 2 r B) 2
r C) r D) 2
2 r
Answer Key
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