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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 the value of x. Round to the nearest tenth. |
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 |
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A. |
20.3 |
B. |
78.8 |
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C. |
131.6 |
D. |
2.1 |
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Hint |
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3. |
Choose the angle that measures  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Determine the solution of  XYZ. Round measures of sides to the nearest tenth. |
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A. |
Y = 26.9°, Z = 58.1°, z = 4.9 |
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B. |
Y = 26.9°, Z = 58.1°, z = 9.4 |
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C. |
Y = 58.1°, Z = 26.9°, z = 9.4 |
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D. |
There is no solution. |
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Hint |
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5. |
Determine the period of the function shown below. |
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 |
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A. |
 |
B. |
1 |
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C. |
 |
D. |
-1 |
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Hint |
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6. |
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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7. |
What is the radian measurement of 5°? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Find the exact value of  . |
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A. |
–2 |
B. |
 |
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C. |
 |
D. |
– |
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Hint |
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9. |
For which trigonometric functions is an angle that measures 180° undefined? |
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A. |
csc and sec |
B. |
csc and cot |
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C. |
tan and cot |
D. |
sec and tan |
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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 = 44.2° |
B. |
B = 71.0° |
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C. |
no solution |
D. |
B = 19.0° |
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Hint |
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11. |
In which of the following cases should the procedure begin with the law of cosines? |
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A. |
Given: one side and three angles |
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B. |
Given: two angles and any side |
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C. |
Given: two sides and their included angle |
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D. |
Given: two sides and an angle opposite one of them |
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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. |
88.7° |
B. |
94.4° |
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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. |
135° |
B. |
45° |
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C. |
225° |
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. |
Its range is the set of angle measures from  |
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B. |
[Sin-1  Sin](x) = [Sin Sin-1](x) = x |
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C. |
Sin x = y if and only if Sin-1 x = y |
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D. |
Its domain is the set of real numbers from –1 to 1. |
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Hint |
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