...Add together the log. cosecants of the two first terms in this form, (rejecting the tens from the * A spherical triangle is that part of the surface of...sphere which is bounded by arcs of three great circles, or three circles whose planes pass through the center of the sphere. The three •res are the sides...

...triangle being given, toßnd an angle. Put down the two sides containing the required angle, and * A spherical triangle is that part of the surface of...three great circles, that is, three circles whose planee pass through the center of the sphere. The three arcs are the sides of the triangle ; and any...

...haversines of the two last terms, t The result will be the log. haversine of the required angle. J EULE VIII. — SECOND METHOD, WITHOUT HAVERSINES....is the same as the inclination of the planes of the r.ides containing the angle. For other definitions in Spherical Trigonometry, see Trigonometry, Part...