If `O` is the origin and the coordinates of `A` are `(a ,b , c)` . Find the direction cosines of `O A` and the equation of the plane through `A` at right angles to OA.

Find the direction cosines of the line passing through two points

If O be the origin and the coordinates of P be (1," "2," "" "3) , then find the equation of the plane passing through P and perpendicular to OP.

If O be the origin and the coordinates of P be (1," "2," "" "3) , then find the equation of the plane passing through P and perpendicular to OP.

If O be the origin and the coordinates of P be (1, 2, -3) , then find the equation of the plane passing through P and perpendicular to OP.

The direction cosines of the line passing through P(2,3,-1) and the origin are

If P be the point (2,6, 3) then the equation of the plane through P, at right angles to OP, where 'O' is the origin is

If the axes are rectangular and P is the point (2, 3, -1), find the equation of the plane through P at right angle to O Pdot

Find the direction cosines of a line which makes equal angles with the coordinate axes.

Find the direction cosines of as perpendicular from origin to the plane vecr.(2hati-2hatj+hatj)+2=0

The foot of the perpendicular drawn from the origin to a plane is (1,2,-3)dot Find the equation of the plane. or If O is the origin and the coordinates of P is (1,2,-3), then find the equation of the plane passing through P and perpendicular to O Pdot