Find a vector ` vec r` of magnitude `3sqrt(2)` units which makes an angle of `pi/4` and `pi/2` with `y` and z-axis respectively.

Find a vector vec r of magnitude 3sqrt(3) units which makes an angle of (pi)/(4) and (pi)/(2) with y and z- axis respectively.

Find a vector vec r of magnitude 3sqrt(2)u n i t s which makes an angle of pi/4 and pi/2 with y and z- axis respectively.

Find a vector of magnitude 5sqrt(2) units which makes an angle of (pi)/4 and (pi)/2 which y and z-axis respectively.

Find a vector vecr of magnitude 3sqrt2 units, which makes an angle of pi/4 and pi/2 with y and z-axes respectively.

Find a vector vec a of magnitude 5sqrt(2) making an angle of pi/4 with x-axis, pi/2 with y-axis and an acute angle theta with z-axis.

Find a vector vec(a) of a magnitude 5sqrt(2) making an angle of (pi)/(4) with x-axis , (pi)/(2) with y-axis and an acute angle theta with z-axis.

Find a vector vec a of magnitude 5sqrt(2) making an angle of (pi)/(4) with x -axis,(pi)/(2) with y -axis and an acute angle theta with z -axis.

Find a vector veca of magnitude 5sqrt2 making an angle pi/4 with x-axis, pi/2 with y-axis and at angle 'theta' with z-axis.