Question icon
Grade 12th passTrigonometry

sin4α+4cos4β+2=4√2sinacosb;α,β∈[0,π], then cos(α+β)−cos(α−β) is equal to :

Profile image of sephan
7 Years agoGrade 12th pass
Answers icon

1 Answer

Profile image of Saurabh Koranglekar
7 Years ago
Dear student

There are 4 variables and one eequation, kindly upload complete question

Regards