### This should be the first thing shown in all trigonometry classes

I know this makes sense but I'm damned if I know why. When I come across stuff like this it makes want to learn more.

intothecontinuum: Mathematica code: S[n_, t_] := Sin[n*2 Pi/50 + t]ListAnimate[ Show[ Table[ Plot[ 100 - n + (10*S[n,t] + .02)*Exp[-(x - 4.5*S[n, 0])^2/Abs[S[n,t]]], {x, -10, 10}, PlotStyle -> Directive[Black, Thick], PlotRange -> {{-7, 7}, {0, 100.5}}, Filling -> Axis, FillingStyle -> White, Axes -> False, AspectRatio -> Full, ImageSize -> {500, 750}], {n, -10, 100, 1}]],{t, .001, 2 Pi + .001, (2 Pi + .001)/30}, AnimationRunning->False]

‘Oscillate’ - Thesis Animation of Sine Waves by Daniel Sierra

### Amazing Running Water & Sound Trick by Illusionist Brusspup

Amazing Water & Sound Experiment video of Sound Waves in water

Oscillate is a Mesmerizing Digital Animation of Sine Waves by Daniel Sierra video art animation

### Math Gifs

The osculating circle at a point on a moving sine wave. This is the circle that best approximates the curve at the point. [more] [code]

### Xantrex Freedom HFS 2000 Inverter Charger Pure Sine Wave 2000W - 55 Amp - 12V

Chargers and Inverters 41980: 2000W Usb Car Power Inverter Pure Sine Wave 12V Dc To 120V Ac 60Hz Lcd From Us -> BUY IT NOW ONLY: \$211.5 on eBay!

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