1.	Select the graph of .
		A.		B.
		C.		D.
		Hint
	2.	Which is the graph of y = cos 3?
		A.
		B.
		C.
		D.
		Hint
	3.	Simplify the expression sin x(1 + cot2x)
		A.	1 + cos2x	B.	csc x
		C.	sin x tan x	D.	sin2x
		Hint
	4.	Rewrite (sin2 x + cos2 x) ÷ tan x as an expression involving only cot x.
		A.	cot x	B.	2 cot x
		C.	cot2x	D.	1 – cot x
		Hint
	5.	What is the exact value of cos 2x if cos x = and x is in quadrant II?
		A.		B.
		C.		D.
		Hint
	6.	Which expression is equivalent to (sin x + cos x)2.
		A.	2 csc 2x	B.
		C.	1 + sin 2x	D.	cos2x + 1
		Hint
	7.	A runner's pace oscillates during a race between 9 mph and 13 mph. For a one-hour race, this person's pace oscillates 20 times. What is a sine function that represents this situation?
		A.	y = 4 sin + 9	B.	y = 2 sin + 11
		C.	y = 2 sin + 9	D.	y = 4 sin + 11
		Hint
	8.	Which of the following is an example of a function with a phase shift?
		A.	y = 2 sin ( – 15)	B.	y = 1 + 3 cos
		C.	y = 3 + cos	D.	y = 5 sin
		Hint
	9.	Find sec if sin = and 180° < < 270°.
		A.	2	B.	–2
		C.		D.
		Hint
	10.	Which of the following statements is not true?
		A.	sec + cos = sin tan
		B.	cot – tan
		C.	sec tan =
		D.	csc – sin = cot cos
		Hint
	11.	Find the exact value of sin (–75°).
		A.		B.
		C.		D.
		Hint
	12.	Which statement is false?
		A.	cos 405° = –sin 225°
		B.	sin 30° = –cos 120°
		C.	sin 450° = cos 180°
		D.	cos 210° = sin 240°
		Hint
	13.	Solve cos = 3 cos – 1.
		A.	30°, 150°	B.	60°, 300°
		C.	60°, 120°	D.	30°, 330°
		Hint
	14.	Solve 5 cos 2 + 4 cos – 12 = 0.
		A.	34°, 146°, 214°, 326°	B.	146°, 214°
		C.	34°, 326°	D.	no solution
		Hint