appletteja Jaa Sulje https://www.geogebra.org/m/AYYhpfcs jaksolliset ilmiöt https://www.geogebra.org/m/YT4TYkqY y=tanx https://www.geogebra.org/m/pdEZgKXk y=cosx https://www.geogebra.org/m/Uwd4fKWZ y=sinx
