1.	Express as a trigonometric function of an angle in Quadrant I.
		A.		B.
		C.		D.
		Hint
	2.	If csc = 2, find sin .
		A.		B.	2
		C.		D.
		Hint
	3.	Find a numerical value of one trigonometric function of x if
		A.		B.
		C.		D.
		Hint
	4.	Solve the equation cos 2x = sin x for 0° x < 360°.
		A.	30°, 210°, 270°	B.	30°, 150°, 270°
		C.	90°, 150°, 270°	D.	30°, 90°, 150°
		Hint
	5.	Find the distance between P(5, -3) and the line with equation 5x + 12y = 18.
		A.	13	B.
		C.		D.
		Hint
	6.	Complete the identity sin4 x - cos4 x = __________.
		A.	0	B.	sin2 x - cos2 x
		C.	tan4 x	D.	1
		Hint
	7.	Find the value of cos (x - y) if 0 < x < , 0 < y < , sin x = , and cos y = .
		A.		B.
		C.		D.
		Hint
	8.	Complete the identity tan ( - A) = ________.
		A.	-cot A	B.	-tan A
		C.	cot A	D.	tan A
		Hint
	9.	If cos = and has its terminal side in the first quadrant, find the exact value of sin 2.
		A.	2	B.
		C.		D.
		Hint
	10.	If cos = and has its terminal side in the first quadrant, find the exact value of cos .
		A.	-	B.
		C.		D.	-
		Hint
	11.	Solve 4 sin2 x + 3 = 4 for principal values of x. Express solutions in radians.
		A.	,	B.	-,
		C.	,	D.	-,
		Hint
	12.	For the line given by the equation 5x - 7y + 24, what is the length of the normal through the origin?
		A.		B.
		C.	2	D.	24
		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.	144°	B.	36°
		C.	126°	D.	54°
		Hint
	14.	Find the distance between the lines given by the equations y = x - and 2x - 5y = 28.
		A.		B.
		C.		D.
		Hint