(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Givena=2i+3j+k,b=i+2j+k,c=-i-j+k, calculate;

a)unit vectors b^{^}and c^{^}in the directions ofbandcrespectively.

b)the angle betweenaandc

2. Relevant equations

n/a

3. The attempt at a solution

I don't understand a) at all,

but b is just a simple dot product question.

Any ideas for a) ?

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Unit Vectors

**Physics Forums | Science Articles, Homework Help, Discussion**