Vector Stuff Everyone but you Knows

This is what a vector looks like:
It's shown as an arrow, which has two properties:

1. It has a magnitude (it's length, 2 Newtons)
2. It has a direction (it's angle, 30 degrees)
   

A vector is not a number. A number has only one property, which is it's value. What is a vector? Whatever you just though was WRONG.

A VECTOR IS BASICALLY A LIST OF NUMBERS.

I know what you're thinking: "I thought you said a vector was an arrow". I DIDN'T SAY THAT. A vector is just usually represented as an arrow, because it's easier for humans to understand and work with.







But all of these three representations mean the same thing.

Alright, you'll probably mess this up. This involves a little trigonometry. Remember this:

and

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