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.
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