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1. |
Solve  . Round measures of sides to the nearest tenth and measures of angles to the nearest degree. |
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A. |
A = 72°, b = 1.3, c = 3.9 |
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B. |
A = 72°, b = 4.1, c = 1.3 |
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C. |
A = 72°, b = 3.9, c = 4.1 |
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D. |
A = 72°, b = 1.3, c = 4.1 |
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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 = 14.4 |
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C. |
E = 64°, d = 12.9, e = 11.4 |
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D. |
E = 64°, d = 11.7 e = 14.4 |
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Hint |
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3. |
Change 120° to radian measure. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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4. |
What is sin  if is in standard position, its terminal side lies in quadrant IV, and sec  ? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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5. |
Find the area of  XYZ. Round to the nearest tenth. |
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A. |
67.3 units2 |
B. |
81.8 units2 |
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C. |
78.2 units2 |
D. |
96.2 units2 |
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Hint |
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6. |
Determine the period of the function shown below. |
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A. |
 |
B. |
-1 |
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C. |
1 |
D. |
 |
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Hint |
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7. |
What is the radian measurement of 5°? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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8. |
For which trigonometric functions is an angle that measures 180° undefined? |
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A. |
tan and cot |
B. |
csc and sec |
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C. |
csc and cot |
D. |
sec and tan |
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Hint |
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9. |
Solve  if A = 36°, B = 67°, and a = 8. |
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A. |
b = 14.89, C = 77°, c = 17.11 |
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B. |
b = 12.53, C = 77°, c = 13.3 |
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C. |
b = 12.53, C = 77°, c = 4.83 |
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D. |
b = 14.89, C = 77°, c = 16.8 |
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Hint |
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10. |
In which of the following cases should the procedure begin with the law of cosines? |
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A. |
Given: two sides and their included angle |
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B. |
Given: two sides and an angle opposite one of them |
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C. |
Given: one side and three angles |
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D. |
Given: two angles and any side |
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Hint |
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11. |
Suppose C = 44°, a = 6 and b = 9. Find A if a is opposite A. |
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A. |
6.27 |
B. |
85.7° |
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C. |
94.3° |
D. |
41.7° |
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Hint |
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12. |
The period of a function is which of the following? |
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A. |
least positive value of a for which f(x) = f(x + a) |
B. |
the domain |
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C. |
360° |
D. |
the range |
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Hint |
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13. |
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. |
36.9° |
B. |
53.1° |
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C. |
31.0° |
D. |
59.0° |
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Hint |
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14. |
What is the value of Arccos  in radians? |
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A. |
0.59 radians |
B. |
0.41 radians |
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C. |
1.17 radians |
D. |
33.6 radians |
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Hint |
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