12
randRange( 0, DENOMINATOR - 1 )
randRange( 1, 9 )
cos( ANGLE * PI * 2 / DENOMINATOR ) * RADIUS
sin( ANGLE * PI * 2 / DENOMINATOR ) * RADIUS
complexNumber( roundTo( 2, REAL ), roundTo( 2, IMAG ) )
Adjust the angle and radius of the orange plotted complex number
to match the blue plotted complex number REP.
How do these numbers affect the complex number they represent?
graphInit({
range: [[-10, 10], [-10, 10]],
scale: 20,
tickStep: 1,
axisArrows: "<->"
});
drawComplexChart( 10, DENOMINATOR );
circle( [REAL, IMAG], 1 / 4, {
fill: KhanUtil.BLUE,
stroke: "none"
});
graph.currComplexPolar = new ComplexPolarForm( DENOMINATOR, 10 );
redrawComplexPolarForm();
[
graph.currComplexPolar.getAngleNumerator(),
graph.currComplexPolar.getRadius()
]
var angle = guess[0];
var radius = guess[1];
if (angle === 0 && radius === 1) {
return "";
}
return angle === ANGLE && radius === RADIUS;
redrawComplexPolarForm(guess[0], guess[1]);
redrawComplexPolarForm(guess[0], guess[1]);