Course Textbook: Reflection Groups and Coxeter Groups, James E. Humphreys,
Preparing for this Section (Review)
Rectangular Coordinates
Definition of the Trigonometric Functions
The Distance Formula
Inverse Tangent Function
Completing the Square
Angles; Degree Measure; Radian Measure
My current interest is flows: flowing on a beat, flowing along a manifold, flows on the electromagnetic spectrum, flow curves, flows of a vector field, the flow of time, time as currency, the flow of electrons: currency, like electric currents, electric daisies, current interest rates, current events, swimming against the current, fluid flow, flux and divergence... you know... flowers. View more posts