Grade 12th passAlgebra

The complex no.

sinx + i cos 2x
cosx-i sin2x

are conjugate to each other if

John Doe

12 Years agoGrade 12th pass

1 Answer

Arun Kumar

Approved Tutor Answer12 Years ago

Hello Student,

$\\$since$ \\\\\overline{sinx+i cos2x}=cosx-isin2x \\$equating real and imaginary parts$ \\=>tanx=1 \\=>$and $ tan2x=1 \\$both of them are not possible the same time$ \\$no solution$$

Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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The complex no. sinx + i cos 2xcosx-i sin2x are conjugate to each other if

John Doe

1 Answer

Arun Kumar

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The complex no.

sinx + i cos 2x
cosx-i sin2x

are conjugate to each other if