Find the equations of the plane bisecting the angles between the planes `x+22y+2z-3=0, 3x+4y+12z=1=0` and specify the plane which bisects the acute angle between them.

Find the equation of the planes bisecting the angles between planes 2x+y+2z=9 and 3x-4y+12z+13=0

Find the equation of the bisector planes of the angles between the planes 2x-y+2z-19=0 and 4x-3y+12z+3=0 and specify the plane which bisects the acute angle and the planes which bisects the obtuse angle.

Find the equations of the bisectors of the angles between the planes 2x-y+2z+3=0a n d3x-2y+6z+8=0 and specify the plane which bisects the acute angle and the plane which bisects the obtuse angle.

Find the equations of the bisectors of the angles between the planes 2x-y+2z+3=0a n d3x-2y+6z+8=0 and specify the plane which bisects the acute angle and the plane which bisects the obtuse angle.

Find the equations of the lines bisecting the angles between the lines 4x-3y+12=0 and 12x+5y=20 .

Find the equations of the bisectors of the angles between the lines 12x+5y-4=0 and 3x+4y+7=0 . Distinguish the one which bisects the acute angle between the lines.

The angle between the planes x + y = 0 and y - z = 1 is

Find the angle between the planes 2x+y+z-1=0 and 3x+y+2z-2=0 ,

Find the angle between the planes x+y+2z=9a d n2x-y+z=15.

Find the angle between the planes x-y+2z=9 and 2x+y+z=7 .