Gotcha Hyeee, I was just referring to some videos I saw where people drew shapes to indicate the Plane, then drew shapes to indicate the Direction of the Beacon, in order to rotate. I guess these " shapes" are not on the exam. Can't post pics as yet otherwise I would have...
On another note anyone who needs a refresher on the math.. I found this.. y0 tu.be/Uo2yNiadkzM?si=4PeMg2W6YgG-P7QW (replace yO utu.be with correct spelling). These things we did in high school doesn't necessarily apply for ppl like me who just crunch numbers on excel..