Comment by aqme28
Yeah you need to build up the understanding so that you can re-derive those matrices as needed (it's mostly just basic trigonometry). If you can't, that means a failure of your lecturer or a failure in your studying.
Yeah you need to build up the understanding so that you can re-derive those matrices as needed (it's mostly just basic trigonometry). If you can't, that means a failure of your lecturer or a failure in your studying.