1.	Graph y = .
		A.		B.
		C.		D.
		Hint
	2.	Write an equation for the graph.
		A.	y = cos	B.	y = cos 2
		C.	y = -2 cos	D.	y = 2 cos
		Hint
	3.	Find tan if 90° < < 180°, and csc .
		A.		B.
		C.		D.
		Hint
	4.	is equivalent to _____.
		A.	tan2x - 1	B.	cot2x
		C.	sin2x + cos x	D.	2 tan x
		Hint
	5.	Find the exact value of sin 225°.
		A.		B.
		C.		D.	0
		Hint
	6.	2 cot x sin2x is equivalent to ________.
		A.	cos2x + sin x	B.	sin 2x
		C.	1 + sin2x	D.	cos
		Hint
	7.	Which expression is equivalent to (sin x + cos x)2.
		A.		B.	1 + sin 2x
		C.	cos2x + 1	D.	2 csc 2x
		Hint
	8.	How is the function y = 3 cos ( +20) – 4 shifted?
		A.	shifted 4 units up and 20° to the left
		B.	shifted 4 units down and 20° to the left
		C.	shifted 4 units down and 20° to the right
		D.	shifted 4 units up and 20° to the right
		Hint
	9.	The graph below is a representation of which function?
		A.
		B.
		C.
		D.
		Hint
	10.	Find sec if sin = and 180° < < 270°.
		A.		B.	–2
		C.	2	D.
		Hint
	11.	Simplify .
		A.	csc	B.	sec 2
		C.	sec	D.	csc 2
		Hint
	12.	Which statement is true?
		A.	sin 30° = cos 300°
		B.	cos 225° = sin 45°
		C.	sin 45° = –cos (–45°)
		D.	cos 135° = sin 45°
		Hint
	13.	Which of the following contains a false solution to the equation sin cot – cos 2 = 0?
		A.	90° and 270°	B.	0° and 270°
		C.	90°	D.	0° and 180°
		Hint
	14.	Solve 5 cos 2 + 4 cos – 12 = 0.
		A.	no solution	B.	34°, 326°
		C.	146°, 214°	D.	34°, 146°, 214°, 326°
		Hint