Graphs of Trigonometric Functions
In each of the problems 1-3 match a given graph with a possible formula.
Problem 1.
![[Maple Plot]](images/graphq1.gif) 
(A)
  
![[Maple Math]](images/graphq2.gif) (B)
    
(B)
   
![[Maple Math]](images/graphq3.gif) (C)
   
(C)
  
![[Maple Math]](images/graphq4.gif) (D)
   
(D)
  
![[Maple Math]](images/graphq5.gif) 
Problem 2.
![[Maple Plot]](images/graphq6.gif) 
Hint:
   
Remember that 
![[Maple Math]](images/graphq7.gif) is approximately equal to 3.14,
 is approximately equal to 3.14, 
![[Maple Math]](images/graphq8.gif) is approximately equal to 6.28 and so on.
 is approximately equal to 6.28 and so on.
(A)
   
![[Maple Math]](images/graphq9.gif) (B)
   
 (B)
  
![[Maple Math]](images/graphq10.gif) (C)
   
(C)
   
![[Maple Math]](images/graphq11.gif) (D)
    
(D)
   
![[Maple Math]](images/graphq12.gif) 
Problem 3.
![[Maple Plot]](images/graphq13.gif) 
(A)
  
![[Maple Math]](images/graphq14.gif) (B)
  
(B)
  
![[Maple Math]](images/graphq15.gif) (C)
   
(C)
  
![[Maple Math]](images/graphq16.gif) (D)
  
(D)
  
![[Maple Math]](images/graphq17.gif) 
MTH 111 Quizzes, B. Kaskosz and L. Pakula, 2001.