Finding general solutions

Last updated at August 13, 2026 by

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

Finding general solutions - Part 2
Finding general solutions - Part 3 Finding general solutions - Part 4 Finding general solutions - Part 5 Finding general solutions - Part 6

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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

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