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Question

Mathematics Question on Straight lines

A straight line makes an angle a with the positive direction of x-axis, where cosa=32\cos a=\frac{\sqrt3}{2}. If it passes through (0,-2), then its equation is

A

√3x+y+2=0

B

√3y+x+2=0

C

√3y+x+2√3=0

D

√3y-x+2√3=0

E

√3x-y-2√3=0

Answer

√3y-x+2√3=0

Explanation

Solution

The correct option is (D): √3y-x+2√3=0