TRISECTRIX  , a See also:

• CURVE (Lat. curvus, bent)

curve which is a variety of the limagon (q.v.) of See also:

• PASCAL, BLAISE (1623-1662)
• PASCAL, JACQUELINE (1625-T661)

Pascal, and named from its See also:

• PROPERTY

property of trisecting an See also:

• ANGLE (from the Lat. angulus, a corner, a diminutive, of which the primitive form, angus, does not occur in Latin; cognate are the Lat. angere, to compress into a bend or to strangle, and the Gr. ayKOS, a bend; both connected with the Aryan root ank-, to

angle . The polar See also:

• EQUATION (from Lat. aequatio, aequare, to equalize)

equation is r =1+ 2 See also:

• COS
• COS, or STANKO (Ital. Stanchio, Turk. Islan-keui, by corruption from Etc rav KW)

cos e and the See also:

• FORM (Lat. forma)

form of the curve is shown in the figure . To trisect an angle by means of this curve, describe a circle with centre 0 and See also:

• RADIUS

radius OE, and let the given angle which is to be trisected be laid off from OE and cut the circle at S; let the chord ES cut the trisectrix in J . Then OJ trisects the given angle .