Trigonometry Applications
Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of the angle of elevation?
Back
The angle of elevation is the angle formed by the horizontal line and the line of sight to an object above the horizontal level.
2.
FLASHCARD QUESTION
Front
How do you find the height of an object using the angle of elevation?
Back
Use the formula: height = distance from the object * tan(angle of elevation).
3.
FLASHCARD QUESTION
Front
What trigonometric function relates the opposite side and the adjacent side in a right triangle?
Back
The tangent function (tan).
4.
FLASHCARD QUESTION
Front
If the angle of elevation to the top of a tree is 48° and the distance from the tree is 50 feet, what is the height of the tree?
Back
Height = 50 * tan(48°) ≈ 46.5 feet.
5.
FLASHCARD QUESTION
Front
What is the sine function in relation to a right triangle?
Back
Sine (sin) is the ratio of the length of the opposite side to the length of the hypotenuse.
6.
FLASHCARD QUESTION
Front
How do you calculate the height reached by a ladder leaning against a wall?
Back
Use the formula: height = length of ladder * sin(angle with the ground).
7.
FLASHCARD QUESTION
Front
What is the cosine function in relation to a right triangle?
Back
Cosine (cos) is the ratio of the length of the adjacent side to the length of the hypotenuse.
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