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Class 11 trigonometry detail notes

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Perfect for students to help in exam on maths. It has all trigonometry formulas with solved examples

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Class 11 Mathematics – Detailed
Notes

Lesson 3: Trigonometry
Author: Prachi Kasbe

---

1. Introduction

Trigonometry is the branch of
mathematics that studies the
relationships between the angles

, and sides of triangles. It is widely
used in geometry, physics,
engineering, and other
applications.

---

2. Basic Trigonometric Ratios

sin(theta) = Perpendicular /
Hypotenuse

cos(theta) = Base / Hypotenuse

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Uploaded on: September 22, 2025
Number of pages: 15
Written in: 2025/2026
Type: Class notes
Professor(s): Prachi
Contains: 11th

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Class 11 trigonometry detail notes

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