1.	Simplify cos x + cos x tan2 x.
		A.	sec x	B.	tan x
		C.	1 + tan x	D.	csc x
		Hint
	2.	If csc = 2, find sin .
		A.		B.
		C.		D.	2
		Hint
	3.	Complete the identity csc x (cos x - sec x) = ________.
		A.	-cot x	B.	tan x
		C.	cot x	D.	-tan x
		Hint
	4.	Use the sum or difference identity for sine to find the exact value of sin 375°.
		A.		B.
		C.		D.
		Hint
	5.	If sin = and has its terminal side in the first quadrant, find the exact value of cos 2.
		A.		B.
		C.		D.	1
		Hint
	6.	Solve the equation cos 2x = sin x for 0° x < 360°.
		A.	30°, 90°, 150°	B.	90°, 150°, 270°
		C.	30°, 150°, 270°	D.	30°, 210°, 270°
		Hint
	7.	Consider the equation -x + 2y - 5 = 0. Find the length of the normal and the angle it makes with the positive x-axis.
		A.	; 63°	B.	; 117°
		C.	; 297°	D.	; 243°
		Hint
	8.	Find the distance between P(5, -3) and the line with equation 5x + 12y = 18.
		A.		B.	13
		C.		D.
		Hint
	9.	Complete the identity sin4 x - cos4 x = __________.
		A.	0	B.	1
		C.	sin2 x - cos2 x	D.	tan4 x
		Hint
	10.	Use the sum or difference identity for cosine to find the exact value of cos 105°
		A.		B.
		C.		D.
		Hint
	11.	If cos = and has its terminal side in the first quadrant, find the exact value of sin 2.
		A.		B.
		C.	2	D.
		Hint
	12.	Solve for 0 x < 2.
		A.		B.
		C.		D.
		Hint
	13.	For the line given by the equation 5x - 7y + 24, what is the angle formed by the x-axis and the normal through the origin?
		A.	126°	B.	54°
		C.	144°	D.	36°
		Hint
	14.	What is the distance between the lines given by the equations 5x - 2y = 14 and y = x - 9?
		A.		B.
		C.	0	D.
		Hint