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The normal form of the line x+y+1=0 is...

The normal form of the line x+y+1=0 is

A

`xcos(45^(@))+ysin(135^(@))=1/sqrt(2)`

B

`xcos(45^(@))+ysin(45^(@))=1/sqrt(2)`

C

`xcos(225^(@))+ysin(225^(@))=1/sqrt(2)`

D

`xcos(45^(@))+ysin(45^(@))=-1/sqrt(2)`

Text Solution

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The correct Answer is:
C
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