1.	Write the equation of the sine function if the amplitude is 5 and the period is 360°.
		A.	y = -5 sin 5	B.	y = 5 sin
		C.	y = sin 5	D.	y = - sin 5
		Hint
	2.	Write an equation of the function whose graph is shown.
		A.	y = sin 4	B.	y = 2 sin
		C.	y = 2 sin	D.	y = 4 sin
		Hint
	3.	Find the exact value of sin 225°.
		A.		B.	0
		C.		D.
		Hint
	4.	What is the exact value of cos 2x if cos x = and x is in quadrant II?
		A.		B.
		C.		D.
		Hint
	5.	Which expression is equivalent to (sin x + cos x)2.
		A.	2 csc 2x	B.	cos2x + 1
		C.	1 + sin 2x	D.
		Hint
	6.	For the function y = cos ( – 50) + 3, what does the number 3 represent?
		A.	horizontal shift	B.	amplitude
		C.	period	D.	vertical shift
		Hint
	7.	Which of the following is an example of a function with a phase shift?
		A.	y = 1 + 3 cos	B.	y = 3 + cos
		C.	y = 5 sin	D.	y = 2 sin ( – 15)
		Hint
	8.	Find sec if sin = and 180° < < 270°.
		A.	–2	B.
		C.		D.	2
		Hint
	9.	Suppose tan = . Which of the following quadrants could contain ?
		A.	first and second	B.	first and third
		C.	first only	D.	second only
		Hint
	10.	Which of the following is not equivalent to the other three?
		A.
		B.
		C.
		D.	2 cot x sec x
		Hint
	11.	Which of the following statements is not true?
		A.	sec tan =
		B.	csc – sin = cot cos
		C.	cot – tan
		D.	sec + cos = sin tan
		Hint
	12.	Find the exact value of cos (480°).
		A.		B.
		C.		D.
		Hint
	13.	Solve 2 cos 2 = 1.
		A.	150°, 210°	B.	30°, 150°, 210°, 330°
		C.	30°, 330°	D.	30°, 150°
		Hint
	14.	Which of the following contains a false solution to the equation sin cot – cos 2 = 0?
		A.	90° and 270°	B.	90°
		C.	0° and 270°	D.	0° and 180°
		Hint