Find the equation of the straight line which makes an angle of `15^@ ` with the positive direction of x-axis and which cuts and intercept of length `4` on then negative direction of y-axis.
A. (2-`sqrt(3))`x+y-4=0
B. (2-`sqrt(3))`x-y-4=0
C. (2-`sqrt(3))`xy-4=0
D. (2+`sqrt(3)`x+y+4=0
