Some Applications of Trigonometry: Class 10 Mathematics (CBSE) important questions and practice
Some Applications of Trigonometry is chapter 9 of 14 in CBSE Class 10 Mathematics. Below are the topics the paper draws from, the question types that come up again and again, and a free practice test on this chapter alone.
Topics in this chapter
- Line of sight, angle of elevation and angle of depression
- Heights and distances using a single right triangle
- Problems with two angles from the same point or two points
- Towers, buildings, poles and ships with 30, 45, 60 degree angles
- Drawing the correct figure from a word problem
What examiners usually ask
- The angle of elevation of the top of a tower from a point 30 m away from its foot is 60 degrees; find the height of the tower
- From the top of a 7 m building the angle of elevation of the top of a cable tower is 60 degrees and the angle of depression of its foot is 45 degrees; find the height of the tower
- Two ships are on either side of a lighthouse 75 m high with angles of depression 30 and 45 degrees; find the distance between the ships
Exam tip
Draw and label the figure before writing any equation, and note that the angle of depression equals the angle of elevation from the lower point (alternate angles), a step examiners look for.
Some Applications of Trigonometry on other boards and exams
Frequently asked questions
What are the important questions from Some Applications of Trigonometry for CBSE Class 10?
The question types listed above repeat most often in CBSE Class 10 Mathematics papers for this chapter. Practise them with the chapter test and then attempt them inside a full previous-year paper under time.
Is Some Applications of Trigonometry in the CBSE Class 10 Mathematics syllabus?
Yes. Some Applications of Trigonometry is part of the current CBSE Class 10 Mathematics syllabus, as listed on this site from the prescribed textbook.
Can I practise Some Applications of Trigonometry MCQs in Hindi?
Yes. The chapter test and explanations are available in Hindi and English, with an AI doubt solver for any question.