Jump to a section

Mathematics - Trigonometric Ratios & Identities

Practise 62 COMEDK previous year questions on Trigonometric Ratios & Identities, compiled from papers spanning 2012 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty COMEDK tests.

Trigonometric Ratios & Identities has been asked in 15 of the 15 years of COMEDK papers analysed (2012–2026), with 62 questions in all. 35% of them were easy, 61% moderate and 3% tough. Most of its questions came from 2025, with 11 questions that year. In the last three years (2024–2026) it had 26 questions across 10 papers, about 2.6 per paper.

The chapter's 6 topics are not weighted equally: Basic Identities & T Ratios (25 questions, 40%), Sum and Difference & Multiple angle Formula (23 questions, 37%), and Transformation Formulas (6 questions, 10%) have been asked the most. Over the last five years the most frequent topics have been Sum and Difference & Multiple angle Formula (21), Basic Identities & T Ratios (8), and Transformation Formulas (5). Basic Identities & T Ratios has produced the most tough questions (1).

  1. 1The expression equals09 May, 2026 (S1)Sum and Difference & Multiple angle Formula
  2. 2If and then the value of the expression equals09 May, 2026 (S1)Sum and Difference & Multiple angle Formula
  3. 3The expression simplifies to:09 May, 2026 (S2)Basic Identities & T Ratios
  4. 4If , then09 May, 2026 (S2)Sum and Difference & Multiple angle Formula
  5. 5If and , then25 May, 2025 (Shift)Sum and Difference & Multiple angle Formula
  6. 6Simplified expression of is25 May, 2025 (Shift)Sum and Difference & Multiple angle Formula
  7. 7If , then is equal to25 May, 2025 (Shift)Transformation Formulas
  8. 8If then10 May, 2025 (S1)Basic Identities & T Ratios
  9. 9If \( A+ B=- {21}{65}, A+ B=- {27}{65}\) and \( < A-B < 3 \), then the value of \( ( {A-B}{2} )\) is10 May, 2025 (S1)Sum and Difference & Multiple angle Formula
  10. 10The value of is10 May, 2025 (S1)Transformation Formulas
  11. 11Simplified expression of is10 May, 2025 (S2)Basic Identities & T Ratios
  12. 12If , then10 May, 2025 (S2)Transformation Formulas
  13. 13If and then is equal to10 May, 2025 (S3)Sum and Difference & Multiple angle Formula
  14. 14The value of is10 May, 2025 (S3)Basic Identities & T Ratios
  15. 15If then is equal to10 May, 2025 (S3)Basic Identities & T Ratios
  16. 16Preview not available - open to view this question.2024 (Afternoon Shift)Sum and Difference & Multiple angle Formula
  17. 17Preview not available - open to view this question.2024 (Afternoon Shift)Sum and Difference & Multiple angle Formula
  18. 18Preview not available - open to view this question.2024 (Afternoon Shift)Sum and Difference & Multiple angle Formula
  19. 19Preview not available - open to view this question.2024 (Evening Shift)Sum and Difference & Multiple angle Formula
  20. 20Preview not available - open to view this question.2024 (Evening Shift)Sum and Difference & Multiple angle Formula
  21. 21Preview not available - open to view this question.2024 (Evening Shift)Sum and Difference & Multiple angle Formula
  22. 22The expression is equal to2024 (Memory Based)Basic Identities & T Ratios
  23. 23The value of is equal to2024 (Memory Based)T-Ratios of Multiple & sub multiple angles
  24. 24Preview not available - open to view this question.2024 (Morning Shift)Sum and Difference & Multiple angle Formula
  25. 25Preview not available - open to view this question.2024 (Morning Shift)Sum and Difference & Multiple angle Formula
  26. 26If then2024 (Morning Shift)Sum and Difference & Multiple angle Formula
  27. 27If then is equal to2023 (Evening Shift)Sum and Difference & Multiple angle Formula
  28. 28Preview not available - open to view this question.2023 (Evening Shift)Basic Identities & T Ratios
  29. 29Preview not available - open to view this question.2023 (Evening Shift)Sum and Difference & Multiple angle Formula
  30. 30If and , then is equal to2023 (Memory Based)Sum and Difference & Multiple angle Formula
  31. 31The expression can be written as2023 (Memory Based)Transformation Formulas
  32. 32The expression can be written as2023 (Morning Shift)Sum and Difference & Multiple angle Formula
  33. 33If and , then is equal to2023 (Morning Shift)Sum and Difference & Multiple angle Formula
  34. 34If and , then equals?2022Transformation Formulas
  35. 35What is equal to?2022Basic Identities & T Ratios
  36. 36If and are acute angles, such that and , then equals2021Transformation Formulas
  37. 37The expression can be written as2021Basic Identities & T Ratios
  38. 38is equal to2020Basic Identities & T Ratios
  39. 39-The perimeter of a certain sector of a circle is equal to the length of the arc of the semicircle. Then, the angle at the centre of the sec2019Measurement of Angles
  40. 40The value of is2019Basic Identities & T Ratios
  41. 41If , then the value of2019T-Ratios of Multiple & sub multiple angles
  42. 42If and , then2018Basic Identities & T Ratios
  43. 43Preview not available - open to view this question.2018Basic Identities & T Ratios
  44. 44If then the general solution is2018Basic Identities & T Ratios
  45. 45The sides of a triangle are in AP. If then2017Basic Identities & T Ratios
  46. 46The value of is equal to2017Basic Identities & T Ratios
  47. 47The value of is equal to2017Basic Identities & T Ratios
  48. 48The value of2017Basic Identities & T Ratios
  49. 49The value of is equal to2017Basic Identities & T Ratios
  50. 50If and , then2016Basic Identities & T Ratios

Frequently Asked Questions

1.How many questions are available for Trigonometric Ratios & Identities?

This chapter includes 62 questions compiled from COMEDK papers spanning 2012 to 2026.

2.Are these questions only from COMEDK, or from other exams too?

These are COMEDK questions specifically for the Trigonometric Ratios & Identities chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Trigonometric Ratios & Identities an important chapter for COMEDK Mathematics?

Trigonometric Ratios & Identities has appeared in 15 of the 15 years of COMEDK papers covered here, with 62 questions across 24 papers - about 3 per paper it appears in.

4.What is the difficulty level of Trigonometric Ratios & Identities questions in COMEDK?

Of the 62 questions analysed for this chapter, 35% are easy, 61% moderate and 3% tough. 2025 had the most, with 11 questions.

5.Which topics in Trigonometric Ratios & Identities should I focus on?

These topics have carried the most weightage in Trigonometric Ratios & Identities:

  • Basic Identities & T Ratios - 25 questions (40%)
  • Sum and Difference & Multiple angle Formula - 23 questions (37%)
  • Transformation Formulas - 6 questions (10%)
  • Basic Identities & T Ratios has produced the most tough questions (1).
6.Is Trigonometric Ratios & Identities's weightage in COMEDK going up or down?

Across all 24 papers analysed, Trigonometric Ratios & Identities has averaged about 2.6 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 2.6 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.