Find the angle between the plane `vecr.(2 hati-hatj+2 hat k)=6 and vecr.(3 hati+6 hatj-2 hatk) =9`

Find the distance between the parallel planes vecr.(2 hati-3 hatj+ 6hatk)=5 and vecr .(6 hati-9 hatj+ 18hatk)+20=0 .

If the angle between the plane vecr .( hati-3 hatj+ 2 hatk)=15 and the line vec r = ( hat I + hat j+ hat k ) + S (2 hati+ hat j-3 hatk) is theta , then the value of cosec theta is

The angle between hati and line of the intersection of the planes vecr.( hati+2 hatj+ 3 hatk)=0 and vecr.(3 hati+3 hatj+ hatk)=0 is __

Find the angle between the lines vecr = (2hati - hatj +3hatk) + lambda(hati + hatj + 2hatk) and vec r = (hati - 3hatj)+mu(2hatj - hatk)

A unit vector parallel to the intersection of planes vecr.( hati- hatj + hat k)=5 and vec r .(2 hati+ hatj-3 hatk)=4 is ___

Find the angle between the two vectors vecA = hati + 2hatj + 3hatk and vecB = 2hati+ hatj + 4hatk .

Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+hatj-hatk .

Find the equation of the plane which constant the line of intesection of the planes vecr.( hati+2 hatj+3 hatk)-4=0 and vecr.( 2 hati+ hatj-hatk)=0 and which is prependicular to the plane vecr.(5 hati+3 hatj-6 hatk)+8=0.

Find the angle between the two vectors vecA =hati-2hatj+3hatk and vecB=2hati+hatj+3hatk .

Find the equation of the plane though the line of intersection of the planes vecr.(2 hati-3 hatj+ 4 hatk)=1 and vecr.( hati- hatj)+4=0 and prependicular to vecr.(2 hati- hatj+ hatk)+8=0 .