Recent content by 01KD

Hi guys, I'm currently completing my first year of Engineering. Program selection forms are due in a few days and I am stuck between Electrical and Mechanical engineering. I want a broad-based education that will allow me to pursue just about anything if I prefer to. I have spoken to many...

Thanks HallsofIvy! It turns out that I read the question wrong. I just had to use matrix multiplication and simplify. When I did it yesterday, I wasn't sure about how to simplify it. But using trig identities makes it very simple. Thanks again for your help!

Anybody? : (

Homework Statement Let L denote the line through the origin in R2 that that makes angle -∏ < theta ≤ ∏ with the positive x-axis. The reflection operator that reflects points about L in R2 is the matrix transformation R2 --> R2 with standard matrix [cos 2(theta) sin 2(theta); sin...