1.	Determine if the function is periodic. If so, state the period.
		A.	no	B.	yes; 1
		C.	yes; 2	D.	yes; 4
		Hint
	2.	Determine if the function is periodic. If so, state the period.
		A.	yes; 1	B.	yes; 2
		C.	yes; 4	D.	no
		Hint
	3.	Which is not a true statement about the properties of the graph of y = sin x?
		A.	The period is .	B.	The range is the set of real numbers between -1 and 1, inclusive.
		C.	The y-intercept is 0.	D.	The domain is the set of real numbers
		Hint
	4.	Find sin 5 by referring to the graph of the sine function.
		A.	0	B.	1
		C.		D.	-1
		Hint
	5.	Which is not a true statement about the properties of the graph of y = cos x?
		A.	The x-intercepts are located at , where n is an integer.
		B.	The maximum values are y = 1 and occur when , where n is an integer.
		C.	The period is 2.
		D.	The y-intercept is 1.
		Hint