#include <chplot.h>
#include <math.h>

int main(){
    double theta1 = 30, theta2 = 60, r1 = 1, r2 = 3;
    class CPlot plot;

    plot.grid(PLOT_ON);
    plot.polarPlot(PLOT_ANGLE_DEG);
    plot.line(theta1, r1, 0, theta2, r2, 0);
    plot.plotType(PLOT_PLOTTYPE_LINES, 0, 7, 3);
    plot.sizeRatio(-1);
    plot.axisRange(PLOT_AXIS_XY, -1, 4);
    plot.plotting();
}