3D Geometry - Why do we require all three Direction Angles?
(Note : please patiently allow all 3D applets to load. Depending on your internet speed, the page might take a little longer to load. Also, with dark mode on, you might not be able to see math equations in some browsers.) I have already talked about direction angles in great detail in my previous post. If you are here to read about the essentials I’ll suggest you should read my previous post. In this short post I want to show you a neat little visualisation, something which, despite my best efforts, I couldn't squeeze into earlier post. I’ll intend to keep it short and to the point as possible, because I have already written a great deal about direction angles. So let’s get straight to it. Firstly, let me state the definition(sort of). Direction angles of a vector are the three angles made by the vector with positive arms of X, Y and Z axes. Direction Angles of : 60°, 45 ° , 60 ° \(\vec{u}\...