- #1

xzibition8612

- 142

- 0

## Homework Statement

Please see the rotation formula in the attachment.

## Homework Equations

## The Attempt at a Solution

I understand this formula rotates x,y into x',y' by some angle theta. Problem is, how is this formula derived? I cannot for the life of me visualize the cosine and sine transformation physically. Can someone explain to me how you get this formula. Thank you very much.