Write all the unit vectors in `X Y-p l a n edot`

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

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

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

Write a unit vector making equal acute angle with the coordinates axes.

Write the unit vector in the direction of vecA=5veci+vecj-2veck .

Write a unit vector in the direction of vec P Q ,\ w h e r e\ P\ a n d\ Q are the points (1, 3, 0) and (4, 5, 6) respectively.

Let L be the set of all lines in X Y=p l a n e and R be the relation in L defined as R={(L_1,L_2): L_1 is parallel to L_2}dot Show that R is an equivalence relation. Find the set of all lines related to the line y=2x+4.

Let L be the set of all lines in X Y=p l a n e and R be the relation in L defined as R={(L_1,L_2): L_1 is parallel to L_2}dot Show that R is an equivalence relation. Find the set of all lines related to the line y=2x+4.

If vec c is a unit vector perpendicular to the vectors vec a\ a n d\ vec b write another unit vector perpendicular vec a\ a n d\ vec bdot

Write a unit vector perpendicular to hat i+ hat j\ a n d\ hat j+ hat kdot