Find the angle made by the line x `cos 30^(@)+y sin 30^(@)+sin 120^(@)=0` with the positive direction of the x-axis.

Find the angle made by the straight line y = -sqrt(3)x + 3 with the positive direction of the X-axis measured in the counter-clock wise direction.

The angle made by the straight line x cos alpha + y sin alpha = p with the negative direction of x - axis is _

Find the angle made by the straight line y=-sqrt(3)x+3 with the positive direction of the X-axis measured in the counter -clock wise direction.

Find the angle made by the line x+sqrt3y-6=0 with the positive direction of the x-axis.

Find the angle which a line perpendicular to the line x-y+1=0 makes with the positive direction of the x axis.

Find the equation of the line which intersects the y-axis at a distance of 2 units abve the origin and makes an angle of 30^(@) with the positive direction of the x-axis.

Find the equation of the line cutting off an intercept of length 2 from the negative direction of the axis of y and making an angle of 120^@ with the positive direction of X-axis.

Find the value of x, if : cos x = cos 60^(@) cos 30^(@) + sin 60^(@) sin 30^(@)