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 Sep 18, 2022
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The reduction of the equation $x+\sqrt{3}y+4=0$ in the normal form is:
Difficulty: Easy
A: 
$x\cos 120^{\circ}+y\sin 120^{\circ}=2$
B: 
$x\cos 270^{\circ}+y\sin 270^{\circ}=2$
C: 
$x\cos 30^{\circ}+y\sin 30^{\circ}=2$
D: 
$x\cos 240^{\circ}+y\sin 240^{\circ}=2$
NETNUST Entry TestMathematicsIntroduction to Analytical Geometry