For general solutions

We must learn

 

For sin x = sin y,

  x = nπ + (–1) n y, where n ∈ Z

 

For cos x = cos y ,

  x = 2nπ ± y, where n ∈ Z

 

For tan x = tan y,

  x = nπ + y, where n ∈ Z

 

Note : Here n ∈ Z   means n is an integer

Finding general solutions - Finding General Solutions

Slide2.JPG
Slide3.JPG Slide4.JPG Slide5.JPG Slide6.JPG

  1. Chapter 3 Class 11 Trigonometric Functions
  2. Concept wise
Ask Download

Transcript

For general solutions We must learn For sin x = sin y, x = nπ + (–1)n y, where n ∈ Z For cos x = cos y, x = 2nπ ± y, where n ∈ Z For tan x = tan y, x = nπ + y, where n ∈ Z Note: Here n ∈ Z means n is an integer

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.