Find the slope of the line, which makes an angle of `30^@` with the positive direction of y-axis, measured anticlockwise.

Find slope of the line that makes angle (2pi)/3 with the positive direction of x-axis.

A line through the point A (2, 0), which makes an angle of 30^@ with the positive direction of x-axis is rotated about A in clockwise direction through an angle 15^@ . Then the equation of the straight line in the new position is :

Find slope of the line that makes angle pi/6

Find the equation of a line through the origin, which makes an angle of 45^@ with the positive direction of x-axis.

Write down a unit vector in XY-plane, making an angle of 30^o with the positive direction of x-axis.

The length of perpendicular from the origin to a line is 9 and the line makes an angle of 120^(@) witth the positive direction of Y - axes . Find the equation of the line .

A line passing through the point (3, 0) makes an angle 30^@ with the positive direction of x-axis. If this line is rotated through an angie of 15^@ in clockwise direction, find its equation in new position.

Find the equation of a st. line, which passes through the point (-2,3) and makes an angle of 60^@ with the positive direction of x-axis.

A line passes through the points (6,-7,-1)a n d(2,-3,1)dot Find the direction cosines of the line if the line makes an acute angle with the positive direction of the x-axis.