Khan Academy on a Stick
Problema de trigonometría de la rueda de la fortuna (parte 2)
Parte 2 problemas de la rueda de la fortuna. Gráfico de h(t)=9-8cos(18t)
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Parte 2 problemas de la rueda de la fortuna. Gráfico de h(t)=9-8cos(18t)
If the above player doesn't work, you can try this direct link.