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1. |
 is an acute angle of a right triangle. If sin  find cos and
tan . |
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A. |
cos  and
tan  |
B. |
cos  and
tan |
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C. |
cos and
tan  |
D. |
cos and
tan |
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Hint |
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2. |
Solve  . Round measures of sides to the nearest tenth and measures of angles to the nearest degree. |
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A. |
E = 64°, d = 14.4, e = 12.9 |
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B. |
E = 64°, d = 12.9, e = 11.4 |
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C. |
E = 64°, d = 11.7 e = 14.4 |
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D. |
E = 64°, d = 12.9, e = 14.4 |
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Hint |
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3. |
Find the equivalent degree measure of an angle that measures  radians. |
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A. |
-270° |
B. |
-180° |
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C. |
-315° |
D. |
-225° |
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Hint |
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4. |
Find one positive angle and one negative angle that are coterminal with 310°. |
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A. |
100°, -670° |
B. |
50°, -670° |
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C. |
-50°, 670° |
D. |
-120°, 400° |
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Hint |
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5. |
Find the exact value of sin 405°. |
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A. |
 |
B. |
 |
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C. |
- 1 |
D. |
 |
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Hint |
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6. |
Should the Law of Cosines or the Law of Sines be used to solve  ABC? Explain. |
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A. |
Law of Cosines because you know the measure of three sides. |
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B. |
Law of Cosines because you know the measure of two sides and the included angle. |
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C. |
Law of Sines because you know the measure of two sides and the angle opposite one of the sides. |
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D. |
Law of Sines because you know the measure of a side and two angles. |
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Hint |
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7. |
Find the exact value of sin 510°. |
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A. |
|
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Determine the exact value of cos  . |
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A. |
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B. |
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C. |
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D. |
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Hint |
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9. |
What is the reference angle of 240°? |
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A. |
60° |
B. |
–120° |
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C. |
–60° |
D. |
120° |
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Hint |
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10. |
In A = 65°, a =10, and b = 13. Find B. |
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A. |
B = 71.0° |
B. |
B = 44.2° |
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C. |
B = 19.0° |
D. |
no solution |
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Hint |
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11. |
Determine whether  has no solution, one solution, or two solutions if A = 46°, a = 11, and b = 15. |
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A. |
2 solutions |
B. |
cannot be determined from given information |
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C. |
1 solution |
D. |
0 solutions |
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Hint |
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12. |
Suppose a triangle has three sides which measure 10, 13, and 17. What is the measure of the largest angle? |
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A. |
94.4° |
B. |
88.7° |
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C. |
85.6° |
D. |
91.3° |
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Hint |
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13. |
Solve
 |
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A. |
315° |
B. |
45° |
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C. |
225° |
D. |
135° |
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Hint |
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14. |
Suppose Alex wants to kick a ball over a 10-foot fence. Assuming that gravity has no effect, at what angle would he have to kick the ball if he were standing 6 feet away from the fence? |
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A. |
53.1° |
B. |
36.9° |
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C. |
31.0° |
D. |
59.0° |
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Hint |
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