X+y+1=0normal form of the equation
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Answer:
x+y+1=0
y= -x-1
in the normal form trigonometry fns are used.
m=tanø=-1
=tan(pi-pi/4)
=tan(3pi/4)
y=tan(3pi/4)x-1
cos(3pi/4)=sin(3pi/4)x-cos(3pi/4)
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