1.	Graph y = .
		A.		B.
		C.		D.
		Hint
	2.	Write an equation of the function whose graph is shown.
		A.	y = 2 sin	B.	y = 4 sin
		C.	y = 2 sin	D.	y = sin 4
		Hint
	3.	Simplify the expression sin x(1 + cot2x)
		A.	sin x tan x	B.	sin2x
		C.	1 + cos2x	D.	csc x
		Hint
	4.	Simplify cos B + tan B sin B
		A.	sin B	B.	cos B
		C.	sec B	D.	cot B
		Hint
	5.	Express using only sin x and cos x.
		A.		B.	sin x + cos x
		C.	cos2x	D.	sin x - cos x
		Hint
	6.	Find the exact value of cos if x is between 90° and 180° and sin x = .
		A.		B.
		C.		D.
		Hint
	7.	Which expression is equivalent to (sin x + cos x)2.
		A.	2 csc 2x	B.
		C.	cos2x + 1	D.	1 + sin 2x
		Hint
	8.	Find the solution for 2 cos x =1 where .
		A.		B.
		C.		D.
		Hint
	9.	What is the midline of the function y = 2 sin – 4?
		A.	y = 2	B.	y = 4
		C.	y = –4	D.	y = –2
		Hint
	10.	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
	11.	Which of the following statements is not true?
		A.	cot – tan
		B.	sec tan =
		C.	sec + cos = sin tan
		D.	csc – sin = cot cos
		Hint
	12.	Which of the following statements is false?
		A.	cos ( + 720°) = –cos
		B.	sin ( + 360°) = sin
		C.	sin ( + 540°) = –sin
		D.	cos ( – 180°) = –cos
		Hint
	13.	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
	14.	Solve 2 cos 2 = 1.
		A.	30°, 150°	B.	30°, 330°
		C.	150°, 210°	D.	30°, 150°, 210°, 330°
		Hint