1.	Choose the angle measure represented by 4.7 rotations clockwise.
		A.	-846°	B.	1692°
		C.	846°	D.	-1692°
		Hint
	2.	Find the measure of the reference angle of -200°.
		A.	-200°	B.	160°
		C.	40°	D.	20°
		Hint
	3.	Which of the following is the sine of
		A.		B.
		C.		D.
		Hint
	4.	Using Snell's Law, = n, and = 40° and = 35° 15', find the index of refraction, n. (Use a calculator.)
		A.	about 1.0660	B.	about 0.9380
		C.	about 1.1137	D.	about 0.8979
		Hint
	5.	Use the unit circle to find the value of cos 120°.
		A.		B.
		C.	-2	D.
		Hint
	6.	Find the value of for an angle in standard position if a point with coordinates (-12, 5) lies on its terminal side.
		A.		B.
		C.		D.
		Hint
	7.	If P = 27° and r = 11, find p.
		A.		B.
		C.		D.
		Hint
	8.	A regular pentagon is inscribed in a circle with diameter 20 centimeters. The apothem of a regular polygon is the measure of a line segment from the center of the polygon to the midpint of one of its sides. Find the apothem of the pentagon.
		A.	about 8.09 cm	B.	about 5.30 cm
		C.	about 11.79 cm	D.	about 18.87 cm
		Hint
	9.	Solve the equation cos x = .
		A.	x equals 30°, 330° or any angle coterminal with these angles.
		B.	x equals 120°, 240° or any angle coterminal with these angles.
		C.	x equals 150°, 210° or any angle coterminal with these angles.
		D.	x equals 60°, 300° or any angle coterminal with these angles.
		Hint
	10.	A security light is being installed outside a loading dock. The light is mounted 25 feet above the ground. The light must be placed at an angle so that it illuminates a parking lot. If the end of the parking lot is 125 feet from the loading dock, what should be the angle of depression of the light?
		A.	about 11.3°	B.	about 78.7°
		C.	about 11.5°	D.	about 78.5°
		Hint
	11.	In if A = 54.3°, B = 63.8°, and b = 12.2, find a to the nearest tenth.
		A.	about 11.0 units	B.	about 11.7 units
		C.	about 11.9 units	D.	about 12.3 units
		Hint
	12.	Two observers 3 miles apart and facing each other find that the angles of elevation of a balloon in the same vertical plane with themselves are 28° and 31° respectively. Find the distance from the balloon to the observer located at the 28° angle.
		A.	about 3.5 miles	B.	about 2.4 miles
		C.	about 1.8 miles	D.	about 1.6 miles
		Hint
	13.	Determine the number of possible solutions for , given a = 7, b = 3, and A = 115°.
		A.	one	B.	none
		C.	two	D.	three
		Hint
	14.	Given and a = 5, b = 2 and A = 115°, find B.
		A.	21.3°	B.	14.6°
		C.	22.5°	D.	31.7°
		Hint
	15.	In given A = 100°, b = 7 and c = 6, find a.
		A.	about 6.3	B.	about 8.4
		C.	about 7.5	D.	about 10.0
		Hint
	16.	In given a = 22, b = 39 and c = 19, find B.
		A.	about 144.0°	B.	about 36.0°
		C.	about 126.0°	D.	about 54.0°
		Hint