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Some Applications of Trigonometry
Mathematics · CBSE Class 10 · English Medium · 20 questions and answers
Sample questions
- Q: What is the line of sight?
- A: The straight line drawn from the observer's eye to the object being viewed.
- Q: Define the angle of elevation.
- A: The angle between the horizontal and the line of sight when the object is above the horizontal level.
- Q: Define the angle of depression.
- A: The angle between the horizontal and the line of sight when the object is below the horizontal level.
- Q: How does the angle of elevation change as you move closer to a tall object?
- A: It increases.
- Q: The angle of elevation of the top of a tower from a point equals the angle of depression of that point from the top. Why?
- A: Because they are alternate interior angles formed by a horizontal transversal, so they are equal.
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