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Directions: Read carefully. You may want to draw a right triangle to examine these situations. These problems deal with trigonometry in right triangles in Quadrant I. Choose the best answers.
1. |
In the triangle shown at the right, which ratio represents cos C ? |
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3. |
Which ratio represents sec A in the triangle shown at the right?
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4. |
In the triangle shown at the right, CT = 6,
CA = 3 and m∠CAT = 90. What is the value of cot C ? |
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5. |
In ΔDOG shown at the right, OG = 7,
DG = 8 and m∠DOG = 90. What is the measure of ∠G to the nearest minute?
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6. |
Assume 0º < θ < 90º.
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Choose:
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7. |
Assume 0º < θ < 90º.
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8. |
Assume 0º < θ < 90º.
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9. |
Find to the nearest degree, the measure of an acute angle formed by the x-axis and the line containing the points (4,3) and (8,9).
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10. |
A small loading ramp for restaurant deliveries is to be inclined no more than 5.7º. If the base of the ramp begins 8 feet from the doorway step, which of the following choices can be used to determine the maximum height, h, of the ramp where it reaches the doorway step? |
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