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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. |
Find one positive angle and one negative angle that are coterminal with 310°. |
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A. |
-50°, 670° |
B. |
-120°, 400° |
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C. |
100°, -670° |
D. |
50°, -670° |
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Hint |
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3. |
Find the exact value of sin 405°. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
- 1 |
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Hint |
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4. |
Find the remaining measures of  ABC. Round measures of the sides to the nearest tenth. |
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A. |
B = 51.5°, C = 13.5°, c = 4.7 |
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B. |
B = 51.0°, C = 14°, c = 4.7 |
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C. |
B = 51.0°, C = 14°, c = 4.6 |
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D. |
B = 51.5°, C = 13.5°, c = 4.6 |
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Hint |
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5. |
Find the measure of B and C. Round the measure of angles to the nearest tenth. |
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A. |
B = 58.1°, C = 40° |
B. |
B = 58.1°, C = 81.9° |
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C. |
B = 81.9°, C = 58.1° |
D. |
B = 40°, C = 81.9° |
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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. |
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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8. |
Solve . |
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A. |
A = 5°, B = 85° |
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B. |
A = 16°, B = 74° |
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C. |
A = 17°, B = 73° |
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D. |
A = 16°, B = 164° |
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Hint |
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9. |
How would the angle 130° be constructed? |
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A. |
Draw the terminal side of the angle 50° counter-clockwise past the positive x-axis. |
B. |
Draw the terminal side of the angle 40° counter-clockwise past the negative y-axis. |
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C. |
Draw the terminal side of the angle 50° counter-clockwise past the negative x-axis. |
D. |
Draw the terminal side of the angle 40° counter-clockwise past the positive y-axis. |
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Hint |
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10. |
What is the reference angle of  ? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
In A = 65°, a =10, and b = 13. Find B. |
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A. |
B = 19.0° |
B. |
no solution |
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C. |
B = 71.0° |
D. |
B = 44.2° |
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Hint |
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12. |
Suppose C = 44°, a = 6 and b = 9. Find A if a is opposite A. |
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A. |
85.7° |
B. |
94.3° |
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C. |
6.27 |
D. |
41.7° |
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Hint |
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13. |
Solve
 |
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A. |
45° |
B. |
225° |
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C. |
135° |
D. |
315° |
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Hint |
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14. |
Which of the following is not necessarily true concerning the Arcsin function? |
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A. |
Sin x = y if and only if Sin-1 x = y |
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B. |
Its domain is the set of real numbers from –1 to 1. |
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C. |
[Sin-1  Sin](x) = [Sin Sin-1](x) = x |
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D. |
Its range is the set of angle measures from  |
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Hint |
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