Trigonometry Review
Flashcard
•
Mathematics
•
9th - 11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of Trigonometry?
Back
Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles, particularly right triangles.
2.
FLASHCARD QUESTION
Front
What is the sine function?
Back
The sine function (sin) is defined as the ratio of the length of the opposite side to the length of the hypotenuse in a right triangle.
3.
FLASHCARD QUESTION
Front
What is the cosine function?
Back
The cosine function (cos) is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle.
4.
FLASHCARD QUESTION
Front
What is the tangent function?
Back
The tangent function (tan) is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.
5.
FLASHCARD QUESTION
Front
How do you find the width of a river using trigonometry?
Back
To find the width of a river, you can use the sine function with the angle of elevation and the distance from the point of observation.
6.
FLASHCARD QUESTION
Front
What is the formula for finding the height of an object using angles?
Back
Height = Distance * tan(Angle of Elevation).
7.
FLASHCARD QUESTION
Front
What is 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.
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