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Chapter 3 Class 11 Trigonometric Functions

Master Chapter 3 Class 11 Trigonometric Functions with comprehensive NCERT Solutions, Practice Questions, MCQs, Sample Papers, Case Based Questions, and Video lessons.

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NCERT Solutions of Chapter 3 Class 11 Trigonometry is available free at teachoo. You can check the detailed explanation of all questions of exercises, examples and miscellaneous by clicking on the Exercise link below.

We had learned Basics of Trigonometry in Class 10. In this chapter, we will learn

  • What is a positive or a negative angle
  • Measuring angles in Degree, Minutes and Seconds
  • Radian measure of an angle
  • Converting Degree to Radians, and vice-versa
  • Sign of sin, cos, tan in all 4 quadrants
  • Finding values of trigonometric functions when one value is given (Example: Finding value of sin, cot, cosec, tan, sec, when cos x = -3/5 is given)
  • Finding Value of trigonometric functions, given angle
  • Solving questions by formula like  (x + y) formula, 2x 3x formula, Cos x + cos y formula , 2 sin x sin y formula 
  • Finding principal and general solutions of a trigonometric equation
  • Sin and Cosine Formula with supplementary Questions

 

Important questions are marked, and Formula sheet is also provided. Click on an exercise or topic to begin.

 

 

Serial order wise

Ex 3.1 Start Learning
Ex 3.2 Start Learning
Ex 3.3 Start Learning
Examples Start Learning
Miscellaneous Start Learning
Principal and General Solutions Start Learning

Concept wise

Radian measure - Conversion Start Learning
Arc length Start Learning
Finding Value of trignometric functions, given other functions Start Learning
Finding Value of trignometric functions, given angle Start Learning
(x + y) formula Start Learning
2x 3x formula - Proving Start Learning
2x 3x formula - Finding value Start Learning
Cos x + cos y formula Start Learning
2 sin x sin y formula Start Learning
Finding Principal solutions Start Learning
Finding General Solutions Start Learning
Sine and Cosine Formula Start Learning

Why Learn This With Teachoo?

NCERT Solutions of Chapter 3 Class 11 Trigonometry is available free at teachoo. You can check the detailed explanation of all questions of exercises, examples and miscellaneous by clicking on the Exercise link below.

We had learned Basics of Trigonometry in Class 10. In this chapter, we will learn

  • What is a positive or a negative angle
  • Measuring angles in Degree, Minutes and Seconds
  • Radian measure of an angle
  • Converting Degree to Radians, and vice-versa
  • Sign of sin, cos, tan in all 4 quadrants
  • Finding values of trigonometric functions when one value is given (Example: Finding value of sin, cot, cosec, tan, sec, when cos x = -3/5 is given)
  • Finding Value of trigonometric functions, given angle
  • Solving questions by formula like  (x + y) formula, 2x 3x formula, Cos x + cos y formula , 2 sin x sin y formula 
  • Finding principal and general solutions of a trigonometric equation
  • Sin and Cosine Formula with supplementary Questions

 

Important questions are marked, and Formula sheet is also provided. Click on an exercise or topic to begin.