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>Fourier Series I know it's used to solve heat conduction equation and that's why the autist Fourier came up with all this but I'm sure there's more uses to this >Partial Differential Equations >Analytic Functions >Complex Interpretations >Vector Calculus Thread 87078 in /math/ P: 1, last 1 year ago Straightedge constructions Cute fact I learned recently: Start with a triangle ABC and extend sides AB, BC, and AC out to points D, E, and F, respectively. Pick an arbitrary point M on side...