Trigonometry
Trigonometry is on the syllabus of three of the boards whose official documents we hold: CBSE, ICSE and NIOS. It is set in Mathematics, in Class 9 and Class 10. Each board files it under a chapter of its own, and every row below names the document that chapter was read from, the page inside it, and the day we read it.
This page is a map, not a lesson. It says where Trigonometry sits on each board and where that came from. Wobo explains it on the board, out loud, or as a thing you drag, and none of that is on this page yet. Ask below and Wobo answers about this concept now, with no account.
Where it is taught
- CBSE · Class 10 · Mathematics
Trigonometry
Chapter
Mathematics, Class X, Secondary Curriculum Part 1, 2026-27page 2, Course structure Class X, unit 5 - ICSE · Class 9 · Mathematics
Trigonometry
Chapter
Mathematics (51), ICSE examination year 2027page 6, Class IX, section 7 - ICSE · Class 10 · Mathematics
Trigonometry
Chapter
Mathematics (51), ICSE examination year 2027page 9, Class X, section 5 - NIOS · Class 10 · Mathematics
Trigonometry
Chapter
Bifurcation of syllabus, Mathematics (211), NIOS secondary coursepage 1, Module V
Where this came from
Three official documents, each read in full, hashed, and named here so you can check them yourself.
- Mathematics, Class X, Secondary Curriculum Part 1, 2026-27Central Board of Secondary EducationRead on 3 September 2026.Hash of the bytes we read: d773e7c12b99.
- Mathematics (51), ICSE examination year 2027Council for the Indian School Certificate ExaminationsRead on 3 September 2026.Hash of the bytes we read: 08b64aa3b4a5.
- Bifurcation of syllabus, Mathematics (211), NIOS secondary courseNational Institute of Open SchoolingRead on 3 September 2026.Hash of the bytes we read: d1556c2957c7.
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