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Seedha Education

MathematicsTrigonometric Functions

Class 11MathematicsChapter 38 marksChallenging

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Mathematics · Class 11Trigonometric FunctionsVideo coming soonRead the notes instead

Radian Measure, Trigonometric Identities, Trigonometric Equations and the board questions built on them — roughly 8 marks of the paper.

What this chapter covers

  1. 1Radian Measure
  2. 2Trigonometric Identities
  3. 3Trigonometric Equations
  4. 4Sine and Cosine Rules

These lessons are being recorded. The written notes for this chapter are free to download now.

Learning resources

In the notes

Topics covered

  1. 01Radian Measure16:09
  2. 02Trigonometric Identities9:09
  3. 03Trigonometric Equations21:53
  4. 04Sine and Cosine Rules12:28

After this chapter you can

  • Explain radian measure without reading from the book
  • Present trigonometric identities in the format the marking scheme rewards
  • Attempt every previous year question set on this chapter
Marks
8
PYQs
19
Video
1h 0m

Then do the work

Practice

Important questions
41
Board questions
20
Numericals & applications
28
Open practice set

Revise

  • One-shot revision, 15 minutes
  • Formula sheet for this chapter
  • Printable summary, 2 pages
Revision material

Prepare

Board appearances of Trigonometric Functions by year
YearAsked asMarks
2025Case based4
2024MCQ set12
2023Long answer12
2022Short answer8
2021Case based8
All PYQs

    Follow the Seedha path

    Target 95+ in Mathematics

    Padho, Likho, Revise and Marks Laao. Chapter 3 of 14 — keep going while the format is fresh.