Introduction to Trigonometry — Formula Sheet
Karnataka Board · Class 10 · Mathematics
4 formulas from Introduction to Trigonometry (Karnataka Board Class 10 Mathematics) on one page, grouped by topic.
Interactive on Super Tutor
Studying Introduction to Trigonometry? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for formula sheet and more.
Free trial, no card needed.
Formulas and Key Relations
Trigonometric Ratios - Definitions and Basic Concepts
Reciprocal relationships
cosec A = 1/sin A, sec A = 1/cos A, cot A = 1/tan A
Fundamental Trigonometric Identities
sin² A + cos² A = 1 (most important and frequently used)
1 + tan² A = sec² A (valid for A ≠ 90°)
Key relations
Three fundamental identities
(1) sin²A + cos²A = 1 (Pythagorean identity), (2) 1 + tan²A = sec²A, (3) cot²A + 1 = cosec²A.
Full sheet with units and worked examples
View AllFrequently Asked Questions
What are the important topics in Introduction to Trigonometry for Karnataka Board Class 10 Mathematics?
How many formulas are in Introduction to Trigonometry?
How should I revise Introduction to Trigonometry for the Karnataka Board Class 10 board exam?
Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Introduction to Trigonometry
For serious students
Get the full Introduction to Trigonometry chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for Karnataka Board Class 10 Mathematics. Free to start, no card needed.