Question

Why for a small q can you say cos q = 1 – ½q^2. os there a derivation or is this just induction>

Answer 1

do your own hw -_-

Answer 2

Why did you repost this question?

Answer 3

this isn't homework :P. because i'm looking for a derivation.

Answer 4

is this just intuitive or is there a proof behind it, and what method would i use to prove it?

Answer 5

do it by yourself :)

Answer 6

^ i don't think you were here when someone asked 20 questions about systems. _that_ was homework.

Answer 7

At least people answer . unlike you :)

Answer 8

i answer :P. you're just not on here at 2 am

Answer 9

http://www.wolframalpha.com/input/?i=cos+q+%3D+1+%E2%80%93+%C2%BDq%5E2.

check that out

Answer 10

people don't answer yours :)

Answer 11

Lol. I have a life so i'm out have fun in open study .


Nikkixoxo <3