Question

Part II. With Calculator: Show all work and circle final answers. 1. If tan ? = (2?5)/15, and ? is not in QI, then find sin ?. (a) -2/7 (b) -(3?5)/7 (c) -7/2 (d) (3?5)/2 2. If for the right triangle ABC, a = 4.190 and b = 8.750, then what is the measure of angle A? (a) 28.61° (b) 25.59° (c) 64.41° (d) 61.39° 3. For the triangle ABC, a = 0.512, b = 0.448, A = 79.1°. Find the measure of side c. (a) 0.347 (b) 0.680 (c) 0.248 (d) 0.893 4. For the triangle ABC, a = 5.9, b = 8.6, c = 10.4. Find angle A. (a) 49° (b) 56° (c) 90° (d) 35° 5. From a point on the ground 120 meters away from the base of the Eiffel Tower, the angle of elevation of the top of the tower is 68.2°. How high is the tower? (a) 48 meters (b) 300 meters (c) 304 meters (d) 56 meters 6. Find the exact value of sin (3?/4). (a) (?3)/2 (b) -(?3)/2 (c) -(?2)/2 (d) (?2)/2 7. True or false?: (sin ? + cot ?)/cos ? = tan ? - csc ? (a) True (b) False 8. Find the exact value of Sin^-1 (-?3/2). (a) -?/3 (b) ?/3 (c) 4?/3 (d) 4?/3, 5?/3

          Part II. With Calculator:
Show all work and circle final answers.
1. If tan ? = (2?5)/15, and ? is not in QI, then find sin ?.
(a) -2/7 (b) -(3?5)/7 (c) -7/2 (d) (3?5)/2
2. If for the right triangle ABC, a = 4.190 and b = 8.750, then what is the measure of angle A?
(a) 28.61° (b) 25.59° (c) 64.41° (d) 61.39°
3. For the triangle ABC, a = 0.512, b = 0.448, A = 79.1°. Find the measure of side c.
(a) 0.347 (b) 0.680 (c) 0.248 (d) 0.893
4. For the triangle ABC, a = 5.9, b = 8.6, c = 10.4. Find angle A.
(a) 49° (b) 56° (c) 90° (d) 35°
5. From a point on the ground 120 meters away from the base of the Eiffel Tower, the angle of elevation of the top of the tower is 68.2°. How high is the tower?
(a) 48 meters (b) 300 meters (c) 304 meters (d) 56 meters
6. Find the exact value of sin (3?/4).
(a) (?3)/2 (b) -(?3)/2 (c) -(?2)/2 (d) (?2)/2
7. True or false?: (sin ? + cot ?)/cos ? = tan ? - csc ?
(a) True (b) False
8. Find the exact value of Sin^-1 (-?3/2).
(a) -?/3 (b) ?/3 (c) 4?/3 (d) 4?/3, 5?/3

Part II. With Calculator:
Show all work and circle final answers.
1. If tan ? = (2?5)/15, and ? is not in QI, then find sin ?.
(a) -2/7 (b) -(3?5)/7 (c) -7/2 (d) (3?5)/2
2. If for the right triangle ABC, a = 4.190 and b = 8.750, then what is the measure of angle A?
(a) 28.61° (b) 25.59° (c) 64.41° (d) 61.39°
3. For the triangle ABC, a = 0.512, b = 0.448, A = 79.1°. Find the measure of side c.
(a) 0.347 (b) 0.680 (c) 0.248 (d) 0.893
4. For the triangle ABC, a = 5.9, b = 8.6, c = 10.4. Find angle A.
(a) 49° (b) 56° (c) 90° (d) 35°
5. From a point on the ground 120 meters away from the base of the Eiffel Tower, the angle of elevation of the top of the tower is 68.2°. How high is the tower?
(a) 48 meters (b) 300 meters (c) 304 meters (d) 56 meters
6. Find the exact value of sin (3?/4).
(a) (?3)/2 (b) -(?3)/2 (c) -(?2)/2 (d) (?2)/2
7. True or false?: (sin ? + cot ?)/cos ? = tan ? - csc ?
(a) True (b) False
8. Find the exact value of Sin^-1 (-?3/2).
(a) -?/3 (b) ?/3 (c) 4?/3 (d) 4?/3, 5?/3

Added by Ruben F.

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