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 Trigonometric Functions and Their Graphs No 1
Q1: Which of the following is the domain of sine in real
numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q2: Which of the following is the domain of cosine in real
numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q3: Which of the following is the domain of tangent in real
numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q4: Which of the following is the domain of cotangent in
real numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q5: Which of the following is the domain of secant in real
numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q6: Which of the following is the domain of cosecant in
real numbers?
A) R
B)  2 1 ,
2
R x x k k Z
 
    
 
C)  ,R x x k k Z  
D) None of them
Q7: Which of the following is the range of sine in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  
Q8: Which of the following is the range of cosine in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  

2. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2
Q9: Which of the following is the range of tangent in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  
Q10: Which of the following is the range of cotangent in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  
Q11: Which of the following is the range of secant in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  
Q12: Which of the following is the range of cosecant in real
numbers?
A)  1 1x x R x    
B) R
C)  1 1R x x   
D)  1, 1R  
Q13: A function is said to be ................. if x p D  where
p is positive number    f x p f x 
A) Periodic function B) Range
C) Domain D) None of these
Q14: Which one of the following is periodic of sin
A)  B) 2 C) 3 D)
2

Q15: Which one of the following is periodic of cos
A)  B) 2 C) 3 D)
2

Q16: Which one of the following is periodic of tan
A)  B) 2 C) 3 D)
2

Q17: Which one of the following is periodic of cot
A)  B) 2 C) 3 D)
2

Q18: Which one of the following is periodic of sec
A)  B) 2 C) 3 D)
2

Q19: Which one of the following is periodic of csc
A)  B) 2 C) 3 D)
2

Q20: Find the period of sin3x
A) 2 B)
2
3

C)
3
2

D)
2

Answer Key
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