# Thread: Dot Product: Unit Vector & Projections

1. ## Dot Product: Unit Vector & Projections

Question 1.

Find a unit vector that is orthogonal to both $i^\rightharpoonup + j^\rightharpoonup$ and $i^\rightharpoonup + k^\rightharpoonup$

My attempt:

$a^\rightharpoonup = <1, 1, 0>$
b^\rightharpoonup = <1, 0, 1>
a

UNDER CONSTRUCTION