- #1

MozAngeles

- 101

- 0

## Homework Statement

If ⎮

**v**⎮=2, ⎮w⎮=3, and the angle between v and w is [tex]\pi/3[\tex], find ⎮v-2w⎮.

## Homework Equations

Im not sure how to go about this. maybe use [tex]\cos\theta[\tex]=u∙v/⎮u⎮⎮v⎮

## The Attempt at a Solution

i'm not sure where to start. i know this has to be pretty straightforward, but i don't see it...

anyt help would be nice thanks.