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NIOS Class 12 Mathematics — Quick Revision Notes

Quick revision notes for NIOS Class 12 Mathematics. Key formulas, concepts, and definitions for last-minute board exam preparation.

Quick Summary

These revision notes cover the key concepts, formulas, and definitions for NIOS Class 12 Mathematics. Use them for last-minute revision before your board exam.

How to Revise Effectively

  • Active recall: Cover the notes, try to recall key points, then check. This is 3× more effective than passive reading.
  • Spaced repetition: Revise each chapter at increasing intervals — Day 1, Day 3, Day 7, Day 14.
  • Write, don't just read: Writing formulas and key points by hand improves retention significantly.
  • Teach someone: Explaining a concept to a friend or family member is the best test of understanding.

Chapter-Wise Revision Notes — 38 Chapters

Revise each chapter below. Focus on formulas, definitions, and diagrams. Complete all 38 chapters for thorough preparation.

1

Sets

Topics covered

  • 1. Definition and Basic Concepts of Sets
  • 2. Representation of Sets
  • 3. Classification of Sets
  • 4. Subsets and Power Sets
A set is a wellIn Roster formIn SetA finite set is one whereAn empty set or null set
2

Relations and Functions - I

Topics covered

  • 2.1 Cartesian Product of Two Sets
  • 2.2 Relations: Definition, Domain, Range, and Codomain
  • 2.3 Functions: Definition, Types, and Properties
  • 2.3.2 Finding Domain and Range of Functions
The Cartesian product of two setsA relation R from setDomainA function is a special typeA graphical method to determine if
3

Trigonometric Functions - I

Topics covered

  • Circular Measure of Angles: Degrees and Radians
  • Trigonometric Functions Using the Unit Circle
  • Trigonometric Values of Standard Angles
  • Graphs of Trigonometric Functions
An angle is formed by rotatingA degree (°) measures an angleWhen an angle θ (in radians)A unit circle (radius = 1)Since (x

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Frequently Asked Questions

Where can I find NIOS Class 12 Mathematics Revision Notes?

This page provides revision notes for NIOS Class 12 Mathematics for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.

Mathematics is one of the scoring subjects in NIOS Class 12 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.

Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.

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38 chapters available

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