Trisecting the Angle/Conchoid of Nicomedes/Historical Note

Historical Note on Trisection of Angle by Conchoid of Nicomedes

While Nicomedes originally designed his conchoid for Doubling the Cube, it can also be used for the technique of trisecting an angle.

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $3$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $3$