Select the slide k and press space bar. ♥it! ♥it! ♥it! ♥it! ♥it! ♥it! TURBO MODE ♥it! ♥it! ♥it! ♥it! ♥it! ♥it! hipocycloid and epicycloid curve colors: http://scratch.mit.edu/projects/10310443 DE COLORES: -601;-599;-348;-565;-391;217;609;872;923;699;701;770
Hipocycloid described parametrically: x=a(k/100-1)cost+acos(t(k/100-1)) y=a(k/100-1)sint-asin(t(k/100-1)) with k positive (k>200) k=300 - deltoid k=400 - astroid with k negative (k<0) equations describe epicycloid k=-100 cardioid ♥it! ♥it! ♥it! ♥it! ♥it! ♥it! music: JOAN BAEZ - DE COLORES