MAT - Paper 2012 - Q5

2021-08-16
1 min read

Flashcards

What is the formula for $(x_n, y_n)$ rotated $90^{\circ}$ anticlockwise about the origin??

$$ (-y_n, x_n) $$

What is the formula for $(x_n, y_n)$ rotated $90^{\circ}$ clockwise about the origin??

$$ (y_n, -x_n) $$

If you have some intuitive feeling about some sort of transformation being a similar transformation applied more than once, how could you formalise it??

Using vectors.


Metadata
date: 2021-08-16 14:28
summary: where does this robot end up?
tags:
- '@?mat'
- '@?maths'
- '@?notes'
- '@?public'
title: MAT - Paper 2012 - Q5