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Grade 12th passAlgebra

No. of solution to the equation.

[y+[y]]=2cos x
where y=[sinx+[sinx+[sinx]]]/3

where [] denotes greatest integer function.

John Doe

12 Years agoGrade 12th pass

1 Answer

Arun Kumar

Approved Tutor Answer12 Years ago

Hello Student,

$\\y={[sinx+[sinx+[sinx]]] \over 3}=[sinx] \\=>[y+[y]]=cosx \\=>[y]={cosx \over 2} \\=>[sinx]=cosx \\=>$hence no of solution is 0$$

Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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